What is the severity of CVE-2019-1737?

The severity of CVE-2019-1737 is classified as critical due to the potential for remote denial of service.

How do I fix CVE-2019-1737?

To fix CVE-2019-1737, update the affected Cisco IOS software to the latest version as specified in the Cisco advisory.

What devices are affected by CVE-2019-1737?

CVE-2019-1737 affects multiple versions of Cisco IOS and IOS XE across a wide range of Cisco devices.

What type of attack does CVE-2019-1737 allow?

CVE-2019-1737 allows an unauthenticated remote attacker to cause an interface wedge leading to a denial of service condition.

Is there a workaround for CVE-2019-1737?

There is no specific workaround available for CVE-2019-1737, so applying the recommended software updates is necessary.

Vulnerability/
CVE-2019-1737

high

8.6

CWE

770 400

27/3/2019

21/11/2024

CVE-2019-1737: Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability

First published: Wed Mar 27 2019(Updated: )

A vulnerability in the processing of IP Service Level Agreement (SLA) packets by Cisco IOS Software and Cisco IOS XE software could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to improper socket resources handling in the IP SLA responder application code. An attacker could exploit this vulnerability by sending crafted IP SLA packets to an affected device. An exploit could allow the attacker to cause an interface to become wedged, resulting in an eventual denial of service (DoS) condition on the affected device.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS XE Software	=3.2.0se
Cisco IOS XE Software	=3.2.1se
Cisco IOS XE Software	=3.2.2se
Cisco IOS XE Software	=3.2.3se
Cisco IOS XE Software	=3.3.0se
Cisco IOS XE Software	=3.3.0xo
Cisco IOS XE Software	=3.3.1se
Cisco IOS XE Software	=3.3.1xo
Cisco IOS XE Software	=3.3.2se
Cisco IOS XE Software	=3.3.2xo
Cisco IOS XE Software	=3.3.3se
Cisco IOS XE Software	=3.3.4se
Cisco IOS XE Software	=3.3.5se
Cisco IOS XE Software	=3.4.0sg
Cisco IOS XE Software	=3.4.1sg
Cisco IOS XE Software	=3.4.2sg
Cisco IOS XE Software	=3.4.3sg
Cisco IOS XE Software	=3.4.4sg
Cisco IOS XE Software	=3.4.5sg
Cisco IOS XE Software	=3.4.6sg
Cisco IOS XE Software	=3.4.7sg
Cisco IOS XE Software	=3.4.8sg
Cisco IOS XE Software	=3.5.0e
Cisco IOS XE Software	=3.5.1e
Cisco IOS XE Software	=3.5.2e
Cisco IOS XE Software	=3.5.3e
Cisco IOS XE Software	=3.6.0ae
Cisco IOS XE Software	=3.6.0be
Cisco IOS XE Software	=3.6.0e
Cisco IOS XE Software	=3.6.1e
Cisco IOS XE Software	=3.6.2ae
Cisco IOS XE Software	=3.6.2e
Cisco IOS XE Software	=3.6.3e
Cisco IOS XE Software	=3.6.4e
Cisco IOS XE Software	=3.6.5ae
Cisco IOS XE Software	=3.6.5be
Cisco IOS XE Software	=3.6.5e
Cisco IOS XE Software	=3.6.6e
Cisco IOS XE Software	=3.6.7ae
Cisco IOS XE Software	=3.6.7be
Cisco IOS XE Software	=3.6.7e
Cisco IOS XE Software	=3.7.0bs
Cisco IOS XE Software	=3.7.0e
Cisco IOS XE Software	=3.7.0s
Cisco IOS XE Software	=3.7.1as
Cisco IOS XE Software	=3.7.1e
Cisco IOS XE Software	=3.7.1s
Cisco IOS XE Software	=3.7.2e
Cisco IOS XE Software	=3.7.2s
Cisco IOS XE Software	=3.7.2ts
Cisco IOS XE Software	=3.7.3e
Cisco IOS XE Software	=3.7.3s
Cisco IOS XE Software	=3.7.4as
Cisco IOS XE Software	=3.7.4e
Cisco IOS XE Software	=3.7.4s
Cisco IOS XE Software	=3.7.5e
Cisco IOS XE Software	=3.7.5s
Cisco IOS XE Software	=3.7.6s
Cisco IOS XE Software	=3.7.7s
Cisco IOS XE Software	=3.7.8s
Cisco IOS XE Software	=3.8.0e
Cisco IOS XE Software	=3.8.0s
Cisco IOS XE Software	=3.8.1e
Cisco IOS XE Software	=3.8.1s
Cisco IOS XE Software	=3.8.2e
Cisco IOS XE Software	=3.8.2s
Cisco IOS XE Software	=3.8.3e
Cisco IOS XE Software	=3.8.4e
Cisco IOS XE Software	=3.8.5ae
Cisco IOS XE Software	=3.8.5e
Cisco IOS XE Software	=3.9.0as
Cisco IOS XE Software	=3.9.0e
Cisco IOS XE Software	=3.9.0s
Cisco IOS XE Software	=3.9.1as
Cisco IOS XE Software	=3.9.1e
Cisco IOS XE Software	=3.9.1s
Cisco IOS XE Software	=3.9.2be
Cisco IOS XE Software	=3.9.2e
Cisco IOS XE Software	=3.9.2s
Cisco IOS XE Software	=3.10.0ce
Cisco IOS XE Software	=3.10.0e
Cisco IOS XE Software	=3.10.0s
Cisco IOS XE Software	=3.10.1s
Cisco IOS XE Software	=3.10.2as
Cisco IOS XE Software	=3.10.2s
Cisco IOS XE Software	=3.10.2ts
Cisco IOS XE Software	=3.10.3s
Cisco IOS XE Software	=3.10.4s
Cisco IOS XE Software	=3.10.5s
Cisco IOS XE Software	=3.10.6s
Cisco IOS XE Software	=3.10.7s
Cisco IOS XE Software	=3.10.8as
Cisco IOS XE Software	=3.10.8s
Cisco IOS XE Software	=3.10.9s
Cisco IOS XE Software	=3.10.10s
Cisco IOS XE Software	=3.11.0s
Cisco IOS XE Software	=3.11.1s
Cisco IOS XE Software	=3.11.2s
Cisco IOS XE Software	=3.11.3s
Cisco IOS XE Software	=3.11.4s
Cisco IOS XE Software	=3.12.0as
Cisco IOS XE Software	=3.12.0s
Cisco IOS XE Software	=3.12.1s
Cisco IOS XE Software	=3.12.2s
Cisco IOS XE Software	=3.12.3s
Cisco IOS XE Software	=3.12.4s
Cisco IOS XE Software	=3.13.0as
Cisco IOS XE Software	=3.13.0s
Cisco IOS XE Software	=3.13.1s
Cisco IOS XE Software	=3.13.2as
Cisco IOS XE Software	=3.13.2s
Cisco IOS XE Software	=3.13.3s
Cisco IOS XE Software	=3.13.4s
Cisco IOS XE Software	=3.13.5as
Cisco IOS XE Software	=3.13.5s
Cisco IOS XE Software	=3.13.6as
Cisco IOS XE Software	=3.13.6bs
Cisco IOS XE Software	=3.13.6s
Cisco IOS XE Software	=3.13.7as
Cisco IOS XE Software	=3.13.7s
Cisco IOS XE Software	=3.13.8s
Cisco IOS XE Software	=3.14.0s
Cisco IOS XE Software	=3.14.1s
Cisco IOS XE Software	=3.14.2s
Cisco IOS XE Software	=3.14.3s
Cisco IOS XE Software	=3.14.4s
Cisco IOS XE Software	=3.15.0s
Cisco IOS XE Software	=3.15.1cs
Cisco IOS XE Software	=3.15.1s
Cisco IOS XE Software	=3.15.2s
Cisco IOS XE Software	=3.15.3s
Cisco IOS XE Software	=3.15.4s
Cisco IOS XE Software	=3.16.0as
Cisco IOS XE Software	=3.16.0bs
Cisco IOS XE Software	=3.16.0cs
Cisco IOS XE Software	=3.16.0s
Cisco IOS XE Software	=3.16.1as
Cisco IOS XE Software	=3.16.1s
Cisco IOS XE Software	=3.16.2as
Cisco IOS XE Software	=3.16.2bs
Cisco IOS XE Software	=3.16.2s
Cisco IOS XE Software	=3.16.3as
Cisco IOS XE Software	=3.16.3s
Cisco IOS XE Software	=3.16.4as
Cisco IOS XE Software	=3.16.4bs
Cisco IOS XE Software	=3.16.4cs
Cisco IOS XE Software	=3.16.4ds
Cisco IOS XE Software	=3.16.4es
Cisco IOS XE Software	=3.16.4gs
Cisco IOS XE Software	=3.16.4s
Cisco IOS XE Software	=3.16.5as
Cisco IOS XE Software	=3.16.5bs
Cisco IOS XE Software	=3.16.5s
Cisco IOS XE Software	=3.16.6bs
Cisco IOS XE Software	=3.16.6s
Cisco IOS XE Software	=3.17.0s
Cisco IOS XE Software	=3.17.1as
Cisco IOS XE Software	=3.17.1s
Cisco IOS XE Software	=3.17.2s
Cisco IOS XE Software	=3.17.3s
Cisco IOS XE Software	=3.17.4s
Cisco IOS XE Software	=3.18.0as
Cisco IOS XE Software	=3.18.0s
Cisco IOS XE Software	=3.18.0sp
Cisco IOS XE Software	=3.18.1asp
Cisco IOS XE Software	=3.18.1bsp
Cisco IOS XE Software	=3.18.1csp
Cisco IOS XE Software	=3.18.1gsp
Cisco IOS XE Software	=3.18.1hsp
Cisco IOS XE Software	=3.18.1isp
Cisco IOS XE Software	=3.18.1s
Cisco IOS XE Software	=3.18.1sp
Cisco IOS XE Software	=3.18.2asp
Cisco IOS XE Software	=3.18.2s
Cisco IOS XE Software	=3.18.2sp
Cisco IOS XE Software	=3.18.3s
Cisco IOS XE Software	=3.18.4s
Cisco IOS XE Software	=16.1.1
Cisco IOS XE Software	=16.1.2
Cisco IOS XE Software	=16.1.3
Cisco IOS XE Software	=16.2.1
Cisco IOS XE Software	=16.2.2
Cisco IOS XE Software	=16.3.1
Cisco IOS XE Software	=16.3.1a
Cisco IOS XE Software	=16.3.2
Cisco IOS XE Software	=16.3.3
Cisco IOS XE Software	=16.3.4
Cisco IOS XE Software	=16.4.1
Cisco IOS XE Software	=16.4.2
Cisco IOS XE Software	=16.5.1
Cisco IOS XE Software	=16.5.1a
Cisco IOS XE Software	=16.5.1b
Cisco IOS XE Software	=16.5.2
Cisco IOS XE Software	=16.5.3
Cisco IOS XE Software	=16.6.1
Cisco IOS	=12.2\(58\)ex
Cisco IOS	=12.2\(58\)ez
Cisco IOS	=12.2\(60\)ez
Cisco IOS	=12.2\(60\)ez1
Cisco IOS	=12.2\(60\)ez2
Cisco IOS	=12.2\(60\)ez3
Cisco IOS	=12.2\(60\)ez4
Cisco IOS	=12.2\(60\)ez5
Cisco IOS	=12.2\(60\)ez6
Cisco IOS	=12.2\(60\)ez7
Cisco IOS	=12.2\(60\)ez8
Cisco IOS	=12.2\(60\)ez9
Cisco IOS	=12.2\(60\)ez10
Cisco IOS	=12.2\(60\)ez11
Cisco IOS	=12.2\(60\)ez12
Cisco IOS	=12.2\(60\)ez13
Cisco IOS	=15.0\(1\)ex
Cisco IOS	=15.0\(2\)ej
Cisco IOS	=15.0\(2\)ej1
Cisco IOS	=15.0\(2\)ek
Cisco IOS	=15.0\(2\)ek1
Cisco IOS	=15.0\(2\)ex
Cisco IOS	=15.0\(2\)ex1
Cisco IOS	=15.0\(2\)ex2
Cisco IOS	=15.0\(2\)ex3
Cisco IOS	=15.0\(2\)ex4
Cisco IOS	=15.0\(2\)ex5
Cisco IOS	=15.0\(2\)ex6
Cisco IOS	=15.0\(2\)ex7
Cisco IOS	=15.0\(2\)ex8
Cisco IOS	=15.0\(2\)ex10
Cisco IOS	=15.0\(2\)ex11
Cisco IOS	=15.0\(2\)ex12
Cisco IOS	=15.0\(2\)ex13
Cisco IOS	=15.0\(2\)ey
Cisco IOS	=15.0\(2\)ey1
Cisco IOS	=15.0\(2\)ey2
Cisco IOS	=15.0\(2\)ey3
Cisco IOS	=15.0\(2\)ez
Cisco IOS	=15.0\(2\)se
Cisco IOS	=15.0\(2\)se1
Cisco IOS	=15.0\(2\)se2
Cisco IOS	=15.0\(2\)se3
Cisco IOS	=15.0\(2\)se4
Cisco IOS	=15.0\(2\)se5
Cisco IOS	=15.0\(2\)se6
Cisco IOS	=15.0\(2\)se7
Cisco IOS	=15.0\(2\)se8
Cisco IOS	=15.0\(2\)se9
Cisco IOS	=15.0\(2\)se10
Cisco IOS	=15.0\(2\)se10a
Cisco IOS	=15.0\(2\)se11
Cisco IOS	=15.0\(2a\)ex5
Cisco IOS	=15.0\(2a\)se9
Cisco IOS	=15.1\(1\)sy
Cisco IOS	=15.1\(1\)sy1
Cisco IOS	=15.1\(1\)sy2
Cisco IOS	=15.1\(1\)sy3
Cisco IOS	=15.1\(1\)sy4
Cisco IOS	=15.1\(1\)sy5
Cisco IOS	=15.1\(1\)sy6
Cisco IOS	=15.1\(2\)sg
Cisco IOS	=15.1\(2\)sg1
Cisco IOS	=15.1\(2\)sg2
Cisco IOS	=15.1\(2\)sg3
Cisco IOS	=15.1\(2\)sg4
Cisco IOS	=15.1\(2\)sg5
Cisco IOS	=15.1\(2\)sg6
Cisco IOS	=15.1\(2\)sg7
Cisco IOS	=15.1\(2\)sg8
Cisco IOS	=15.1\(2\)sy
Cisco IOS	=15.1\(2\)sy1
Cisco IOS	=15.1\(2\)sy2
Cisco IOS	=15.1\(2\)sy3
Cisco IOS	=15.1\(2\)sy6
Cisco IOS	=15.1\(2\)sy7
Cisco IOS	=15.1\(2\)sy8
Cisco IOS	=15.1\(2\)sy9
Cisco IOS	=15.1\(2\)sy10
Cisco IOS	=15.1\(2\)sy11
Cisco IOS	=15.2\(1\)e
Cisco IOS	=15.2\(1\)e1
Cisco IOS	=15.2\(1\)e2
Cisco IOS	=15.2\(1\)e3
Cisco IOS	=15.2\(1\)ey
Cisco IOS	=15.2\(1\)sc1a
Cisco IOS	=15.2\(1\)sd1
Cisco IOS	=15.2\(1\)sd2
Cisco IOS	=15.2\(1\)sd3
Cisco IOS	=15.2\(1\)sd4
Cisco IOS	=15.2\(1\)sd6
Cisco IOS	=15.2\(1\)sd6a
Cisco IOS	=15.2\(1\)sd7
Cisco IOS	=15.2\(1\)sd8
Cisco IOS	=15.2\(1\)sy
Cisco IOS	=15.2\(1\)sy0a
Cisco IOS	=15.2\(1\)sy1
Cisco IOS	=15.2\(1\)sy1a
Cisco IOS	=15.2\(1\)sy2
Cisco IOS	=15.2\(1\)sy3
Cisco IOS	=15.2\(1\)sy4
Cisco IOS	=15.2\(1\)sy5
Cisco IOS	=15.2\(2\)e
Cisco IOS	=15.2\(2\)e1
Cisco IOS	=15.2\(2\)e2
Cisco IOS	=15.2\(2\)e3
Cisco IOS	=15.2\(2\)e4
Cisco IOS	=15.2\(2\)e5
Cisco IOS	=15.2\(2\)e5a
Cisco IOS	=15.2\(2\)e5b
Cisco IOS	=15.2\(2\)e6
Cisco IOS	=15.2\(2\)e7
Cisco IOS	=15.2\(2\)e7b
Cisco IOS	=15.2\(2\)ea
Cisco IOS	=15.2\(2\)ea1
Cisco IOS	=15.2\(2\)ea2
Cisco IOS	=15.2\(2\)ea3
Cisco IOS	=15.2\(2\)eb
Cisco IOS	=15.2\(2\)eb1
Cisco IOS	=15.2\(2\)eb2
Cisco IOS	=15.2\(2\)s
Cisco IOS	=15.2\(2\)s0a
Cisco IOS	=15.2\(2\)s0c
Cisco IOS	=15.2\(2\)s0d
Cisco IOS	=15.2\(2\)s1
Cisco IOS	=15.2\(2\)s2
Cisco IOS	=15.2\(2\)sc
Cisco IOS	=15.2\(2\)sc1
Cisco IOS	=15.2\(2\)sc3
Cisco IOS	=15.2\(2\)sc4
Cisco IOS	=15.2\(2\)sy
Cisco IOS	=15.2\(2\)sy1
Cisco IOS	=15.2\(2\)sy2
Cisco IOS	=15.2\(2\)sy3
Cisco IOS	=15.2\(2a\)e1
Cisco IOS	=15.2\(2a\)e2
Cisco IOS	=15.2\(2b\)e
Cisco IOS	=15.2\(3\)e
Cisco IOS	=15.2\(3\)e1
Cisco IOS	=15.2\(3\)e2
Cisco IOS	=15.2\(3\)e3
Cisco IOS	=15.2\(3\)e4
Cisco IOS	=15.2\(3\)e5
Cisco IOS	=15.2\(3\)ea
Cisco IOS	=15.2\(3\)gc
Cisco IOS	=15.2\(3\)gc1
Cisco IOS	=15.2\(3a\)e
Cisco IOS	=15.2\(3m\)e2
Cisco IOS	=15.2\(3m\)e7
Cisco IOS	=15.2\(3m\)e8
Cisco IOS	=15.2\(4\)e
Cisco IOS	=15.2\(4\)e1
Cisco IOS	=15.2\(4\)e2
Cisco IOS	=15.2\(4\)e3
Cisco IOS	=15.2\(4\)e4
Cisco IOS	=15.2\(4\)e5
Cisco IOS	=15.2\(4\)e5a
Cisco IOS	=15.2\(4\)ea
Cisco IOS	=15.2\(4\)ea1
Cisco IOS	=15.2\(4\)ea2
Cisco IOS	=15.2\(4\)ea3
Cisco IOS	=15.2\(4\)ea4
Cisco IOS	=15.2\(4\)ea5
Cisco IOS	=15.2\(4\)ea6
Cisco IOS	=15.2\(4\)ec1
Cisco IOS	=15.2\(4\)ec2
Cisco IOS	=15.2\(4\)gc
Cisco IOS	=15.2\(4\)gc1
Cisco IOS	=15.2\(4\)gc2
Cisco IOS	=15.2\(4\)gc3
Cisco IOS	=15.2\(4\)jaz1
Cisco IOS	=15.2\(4\)m
Cisco IOS	=15.2\(4\)m1
Cisco IOS	=15.2\(4\)m2
Cisco IOS	=15.2\(4\)m3
Cisco IOS	=15.2\(4\)m4
Cisco IOS	=15.2\(4\)m5
Cisco IOS	=15.2\(4\)m6
Cisco IOS	=15.2\(4\)m6a
Cisco IOS	=15.2\(4\)m6b
Cisco IOS	=15.2\(4\)m7
Cisco IOS	=15.2\(4\)m8
Cisco IOS	=15.2\(4\)m9
Cisco IOS	=15.2\(4\)m10
Cisco IOS	=15.2\(4\)m11
Cisco IOS	=15.2\(4\)s
Cisco IOS	=15.2\(4\)s0c
Cisco IOS	=15.2\(4\)s1
Cisco IOS	=15.2\(4\)s1c
Cisco IOS	=15.2\(4\)s2
Cisco IOS	=15.2\(4\)s3
Cisco IOS	=15.2\(4\)s3a
Cisco IOS	=15.2\(4\)s4
Cisco IOS	=15.2\(4\)s4a
Cisco IOS	=15.2\(4\)s5
Cisco IOS	=15.2\(4\)s6
Cisco IOS	=15.2\(4\)s7
Cisco IOS	=15.2\(4\)s8
Cisco IOS	=15.2\(4m\)e1
Cisco IOS	=15.2\(4m\)e2
Cisco IOS	=15.2\(4m\)e3
Cisco IOS	=15.2\(4n\)e2
Cisco IOS	=15.2\(4o\)e2
Cisco IOS	=15.2\(4o\)e3
Cisco IOS	=15.2\(4p\)e1
Cisco IOS	=15.2\(4q\)e1
Cisco IOS	=15.2\(4s\)e1
Cisco IOS	=15.2\(4s\)e2
Cisco IOS	=15.2\(5\)e
Cisco IOS	=15.2\(5\)e1
Cisco IOS	=15.2\(5\)e2
Cisco IOS	=15.2\(5\)e2b
Cisco IOS	=15.2\(5\)e2c
Cisco IOS	=15.2\(5\)ea
Cisco IOS	=15.2\(5a\)e1
Cisco IOS	=15.2\(5b\)e
Cisco IOS	=15.2\(6\)e
Cisco IOS	=15.2\(6\)e0a
Cisco IOS	=15.2\(6\)e0b
Cisco IOS	=15.2\(6\)e0c
Cisco IOS	=15.3\(0\)sy
Cisco IOS	=15.3\(1\)s
Cisco IOS	=15.3\(1\)s1
Cisco IOS	=15.3\(1\)s1e
Cisco IOS	=15.3\(1\)s2
Cisco IOS	=15.3\(1\)sy
Cisco IOS	=15.3\(1\)sy1
Cisco IOS	=15.3\(1\)sy2
Cisco IOS	=15.3\(1\)t
Cisco IOS	=15.3\(1\)t1
Cisco IOS	=15.3\(1\)t2
Cisco IOS	=15.3\(1\)t3
Cisco IOS	=15.3\(1\)t4
Cisco IOS	=15.3\(2\)s
Cisco IOS	=15.3\(2\)s1
Cisco IOS	=15.3\(2\)s2
Cisco IOS	=15.3\(2\)t
Cisco IOS	=15.3\(2\)t1
Cisco IOS	=15.3\(2\)t2
Cisco IOS	=15.3\(2\)t3
Cisco IOS	=15.3\(2\)t4
Cisco IOS	=15.3\(3\)jaa1
Cisco IOS	=15.3\(3\)jpi
Cisco IOS	=15.3\(3\)m
Cisco IOS	=15.3\(3\)m1
Cisco IOS	=15.3\(3\)m2
Cisco IOS	=15.3\(3\)m3
Cisco IOS	=15.3\(3\)m4
Cisco IOS	=15.3\(3\)m5
Cisco IOS	=15.3\(3\)m6
Cisco IOS	=15.3\(3\)m7
Cisco IOS	=15.3\(3\)m8
Cisco IOS	=15.3\(3\)m8a
Cisco IOS	=15.3\(3\)m9
Cisco IOS	=15.3\(3\)m10
Cisco IOS	=15.3\(3\)s
Cisco IOS	=15.3\(3\)s1
Cisco IOS	=15.3\(3\)s1a
Cisco IOS	=15.3\(3\)s2
Cisco IOS	=15.3\(3\)s2a
Cisco IOS	=15.3\(3\)s3
Cisco IOS	=15.3\(3\)s4
Cisco IOS	=15.3\(3\)s5
Cisco IOS	=15.3\(3\)s6
Cisco IOS	=15.3\(3\)s6a
Cisco IOS	=15.3\(3\)s7
Cisco IOS	=15.3\(3\)s8
Cisco IOS	=15.3\(3\)s8a
Cisco IOS	=15.3\(3\)s9
Cisco IOS	=15.3\(3\)s10
Cisco IOS	=15.3\(3\)xb12
Cisco IOS	=15.4\(1\)cg
Cisco IOS	=15.4\(1\)cg1
Cisco IOS	=15.4\(1\)s
Cisco IOS	=15.4\(1\)s1
Cisco IOS	=15.4\(1\)s2
Cisco IOS	=15.4\(1\)s3
Cisco IOS	=15.4\(1\)s4
Cisco IOS	=15.4\(1\)sy
Cisco IOS	=15.4\(1\)sy1
Cisco IOS	=15.4\(1\)sy2
Cisco IOS	=15.4\(1\)sy3
Cisco IOS	=15.4\(1\)t
Cisco IOS	=15.4\(1\)t1
Cisco IOS	=15.4\(1\)t2
Cisco IOS	=15.4\(1\)t3
Cisco IOS	=15.4\(1\)t4
Cisco IOS	=15.4\(2\)cg
Cisco IOS	=15.4\(2\)s
Cisco IOS	=15.4\(2\)s1
Cisco IOS	=15.4\(2\)s2
Cisco IOS	=15.4\(2\)s3
Cisco IOS	=15.4\(2\)s4
Cisco IOS	=15.4\(2\)sn
Cisco IOS	=15.4\(2\)sn1
Cisco IOS	=15.4\(2\)t
Cisco IOS	=15.4\(2\)t1
Cisco IOS	=15.4\(2\)t2
Cisco IOS	=15.4\(2\)t3
Cisco IOS	=15.4\(2\)t4
Cisco IOS	=15.4\(3\)m
Cisco IOS	=15.4\(3\)m1
Cisco IOS	=15.4\(3\)m2
Cisco IOS	=15.4\(3\)m4
Cisco IOS	=15.4\(3\)m5
Cisco IOS	=15.4\(3\)m6
Cisco IOS	=15.4\(3\)m6a
Cisco IOS	=15.4\(3\)m7
Cisco IOS	=15.4\(3\)m7a
Cisco IOS	=15.4\(3\)m8
Cisco IOS	=15.4\(3\)s
Cisco IOS	=15.4\(3\)s0d
Cisco IOS	=15.4\(3\)s0e
Cisco IOS	=15.4\(3\)s0f
Cisco IOS	=15.4\(3\)s1
Cisco IOS	=15.4\(3\)s2
Cisco IOS	=15.4\(3\)s3
Cisco IOS	=15.4\(3\)s4
Cisco IOS	=15.4\(3\)s5
Cisco IOS	=15.4\(3\)s6
Cisco IOS	=15.4\(3\)s6a
Cisco IOS	=15.4\(3\)s7
Cisco IOS	=15.4\(3\)s8
Cisco IOS	=15.4\(3\)sn1
Cisco IOS	=15.4\(3\)sn1a
Cisco IOS	=15.5\(1\)s
Cisco IOS	=15.5\(1\)s1
Cisco IOS	=15.5\(1\)s2
Cisco IOS	=15.5\(1\)s3
Cisco IOS	=15.5\(1\)s4
Cisco IOS	=15.5\(1\)sn
Cisco IOS	=15.5\(1\)sn1
Cisco IOS	=15.5\(1\)sy
Cisco IOS	=15.5\(1\)t3
Cisco IOS	=15.5\(1\)t4
Cisco IOS	=15.5\(2\)s
Cisco IOS	=15.5\(2\)s1
Cisco IOS	=15.5\(2\)s2
Cisco IOS	=15.5\(2\)s3
Cisco IOS	=15.5\(2\)s4
Cisco IOS	=15.5\(2\)sn
Cisco IOS	=15.5\(2\)t
Cisco IOS	=15.5\(2\)t1
Cisco IOS	=15.5\(2\)t2
Cisco IOS	=15.5\(2\)t3
Cisco IOS	=15.5\(2\)t4
Cisco IOS	=15.5\(3\)m
Cisco IOS	=15.5\(3\)m0a
Cisco IOS	=15.5\(3\)m1
Cisco IOS	=15.5\(3\)m2
Cisco IOS	=15.5\(3\)m2a
Cisco IOS	=15.5\(3\)m3
Cisco IOS	=15.5\(3\)m4
Cisco IOS	=15.5\(3\)m4a
Cisco IOS	=15.5\(3\)m4b
Cisco IOS	=15.5\(3\)m4c
Cisco IOS	=15.5\(3\)m5
Cisco IOS	=15.5\(3\)m6
Cisco IOS	=15.5\(3\)m6a
Cisco IOS	=15.5\(3\)s
Cisco IOS	=15.5\(3\)s0a
Cisco IOS	=15.5\(3\)s1
Cisco IOS	=15.5\(3\)s1a
Cisco IOS	=15.5\(3\)s2
Cisco IOS	=15.5\(3\)s3
Cisco IOS	=15.5\(3\)s4
Cisco IOS	=15.5\(3\)s5
Cisco IOS	=15.5\(3\)s6
Cisco IOS	=15.5\(3\)s6a
Cisco IOS	=15.5\(3\)s6b
Cisco IOS	=15.5\(3\)sn
Cisco IOS	=15.5\(3\)sn0a
Cisco IOS	=15.6\(1\)s
Cisco IOS	=15.6\(1\)s1
Cisco IOS	=15.6\(1\)s2
Cisco IOS	=15.6\(1\)s3
Cisco IOS	=15.6\(1\)s4
Cisco IOS	=15.6\(1\)sn
Cisco IOS	=15.6\(1\)sn1
Cisco IOS	=15.6\(1\)sn2
Cisco IOS	=15.6\(1\)sn3
Cisco IOS	=15.6\(1\)t
Cisco IOS	=15.6\(1\)t0a
Cisco IOS	=15.6\(1\)t1
Cisco IOS	=15.6\(1\)t2
Cisco IOS	=15.6\(1\)t3
Cisco IOS	=15.6\(2\)s
Cisco IOS	=15.6\(2\)s0a
Cisco IOS	=15.6\(2\)s1
Cisco IOS	=15.6\(2\)s2
Cisco IOS	=15.6\(2\)s3
Cisco IOS	=15.6\(2\)s4
Cisco IOS	=15.6\(2\)sn
Cisco IOS	=15.6\(2\)sp
Cisco IOS	=15.6\(2\)sp1
Cisco IOS	=15.6\(2\)sp2
Cisco IOS	=15.6\(2\)t
Cisco IOS	=15.6\(2\)t0a
Cisco IOS	=15.6\(2\)t1
Cisco IOS	=15.6\(2\)t2
Cisco IOS	=15.6\(2\)t3
Cisco IOS	=15.6\(3\)m
Cisco IOS	=15.6\(3\)m0a
Cisco IOS	=15.6\(3\)m1
Cisco IOS	=15.6\(3\)m1a
Cisco IOS	=15.6\(3\)m1b
Cisco IOS	=15.6\(3\)m2
Cisco IOS	=15.6\(3\)m2a
Cisco IOS	=15.6\(3\)m3
Cisco IOS	=15.6\(3\)m3a
Cisco IOS	=15.6\(3\)sn
Cisco IOS	=15.6\(4\)sn
Cisco IOS	=15.6\(5\)sn
Cisco IOS	=15.6\(6\)sn
Cisco IOS	=15.6\(7\)sn
Cisco IOS	=15.6\(7\)sn1
Cisco IOS	=15.6\(7\)sn2
Cisco IOS	=15.6\(7\)sn3
Cisco IOS	=15.7\(3\)m
Cisco IOS	=15.7\(3\)m0a

Remedy

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-ipsla-dos

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-1737?
The severity of CVE-2019-1737 is classified as critical due to the potential for remote denial of service.
How do I fix CVE-2019-1737?
To fix CVE-2019-1737, update the affected Cisco IOS software to the latest version as specified in the Cisco advisory.
What devices are affected by CVE-2019-1737?
CVE-2019-1737 affects multiple versions of Cisco IOS and IOS XE across a wide range of Cisco devices.
What type of attack does CVE-2019-1737 allow?
CVE-2019-1737 allows an unauthenticated remote attacker to cause an interface wedge leading to a denial of service condition.
Is there a workaround for CVE-2019-1737?
There is no specific workaround available for CVE-2019-1737, so applying the recommended software updates is necessary.

agent/references
agent/weakness
agent/type
agent/title
agent/remedy
agent/severity
agent/description
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/author
agent/last-modified-date
agent/event
agent/source
agent/tags
agent/softwarecombine
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-index
vendor/cisco
canonical/cisco ios xe
version/cisco ios xe/3.2.0se
version/cisco ios xe/3.2.1se
version/cisco ios xe/3.2.2se
version/cisco ios xe/3.2.3se
version/cisco ios xe/3.3.0se
version/cisco ios xe/3.3.0xo
version/cisco ios xe/3.3.1se
version/cisco ios xe/3.3.1xo
version/cisco ios xe/3.3.2se
version/cisco ios xe/3.3.2xo
version/cisco ios xe/3.3.3se
version/cisco ios xe/3.3.4se
version/cisco ios xe/3.3.5se
version/cisco ios xe/3.4.0sg
version/cisco ios xe/3.4.1sg
version/cisco ios xe/3.4.2sg
version/cisco ios xe/3.4.3sg
version/cisco ios xe/3.4.4sg
version/cisco ios xe/3.4.5sg
version/cisco ios xe/3.4.6sg
version/cisco ios xe/3.4.7sg
version/cisco ios xe/3.4.8sg
version/cisco ios xe/3.5.0e
version/cisco ios xe/3.5.1e
version/cisco ios xe/3.5.2e
version/cisco ios xe/3.5.3e
version/cisco ios xe/3.6.0ae
version/cisco ios xe/3.6.0be
version/cisco ios xe/3.6.0e
version/cisco ios xe/3.6.1e
version/cisco ios xe/3.6.2ae
version/cisco ios xe/3.6.2e
version/cisco ios xe/3.6.3e
version/cisco ios xe/3.6.4e
version/cisco ios xe/3.6.5ae
version/cisco ios xe/3.6.5be
version/cisco ios xe/3.6.5e
version/cisco ios xe/3.6.6e
version/cisco ios xe/3.6.7ae
version/cisco ios xe/3.6.7be
version/cisco ios xe/3.6.7e
version/cisco ios xe/3.7.0bs
version/cisco ios xe/3.7.0e
version/cisco ios xe/3.7.0s
version/cisco ios xe/3.7.1as
version/cisco ios xe/3.7.1e
version/cisco ios xe/3.7.1s
version/cisco ios xe/3.7.2e
version/cisco ios xe/3.7.2s
version/cisco ios xe/3.7.2ts
version/cisco ios xe/3.7.3e
version/cisco ios xe/3.7.3s
version/cisco ios xe/3.7.4as
version/cisco ios xe/3.7.4e
version/cisco ios xe/3.7.4s
version/cisco ios xe/3.7.5e
version/cisco ios xe/3.7.5s
version/cisco ios xe/3.7.6s
version/cisco ios xe/3.7.7s
version/cisco ios xe/3.7.8s
version/cisco ios xe/3.8.0e
version/cisco ios xe/3.8.0s
version/cisco ios xe/3.8.1e
version/cisco ios xe/3.8.1s
version/cisco ios xe/3.8.2e
version/cisco ios xe/3.8.2s
version/cisco ios xe/3.8.3e
version/cisco ios xe/3.8.4e
version/cisco ios xe/3.8.5ae
version/cisco ios xe/3.8.5e
version/cisco ios xe/3.9.0as
version/cisco ios xe/3.9.0e
version/cisco ios xe/3.9.0s
version/cisco ios xe/3.9.1as
version/cisco ios xe/3.9.1e
version/cisco ios xe/3.9.1s
version/cisco ios xe/3.9.2be
version/cisco ios xe/3.9.2e
version/cisco ios xe/3.9.2s
version/cisco ios xe/3.10.0ce
version/cisco ios xe/3.10.0e
version/cisco ios xe/3.10.0s
version/cisco ios xe/3.10.1s
version/cisco ios xe/3.10.2as
version/cisco ios xe/3.10.2s
version/cisco ios xe/3.10.2ts
version/cisco ios xe/3.10.3s
version/cisco ios xe/3.10.4s
version/cisco ios xe/3.10.5s
version/cisco ios xe/3.10.6s
version/cisco ios xe/3.10.7s
version/cisco ios xe/3.10.8as
version/cisco ios xe/3.10.8s
version/cisco ios xe/3.10.9s
version/cisco ios xe/3.10.10s
version/cisco ios xe/3.11.0s
version/cisco ios xe/3.11.1s
version/cisco ios xe/3.11.2s
version/cisco ios xe/3.11.3s
version/cisco ios xe/3.11.4s
version/cisco ios xe/3.12.0as
version/cisco ios xe/3.12.0s
version/cisco ios xe/3.12.1s
version/cisco ios xe/3.12.2s
version/cisco ios xe/3.12.3s
version/cisco ios xe/3.12.4s
version/cisco ios xe/3.13.0as
version/cisco ios xe/3.13.0s
version/cisco ios xe/3.13.1s
version/cisco ios xe/3.13.2as
version/cisco ios xe/3.13.2s
version/cisco ios xe/3.13.3s
version/cisco ios xe/3.13.4s
version/cisco ios xe/3.13.5as
version/cisco ios xe/3.13.5s
version/cisco ios xe/3.13.6as
version/cisco ios xe/3.13.6bs
version/cisco ios xe/3.13.6s
version/cisco ios xe/3.13.7as
version/cisco ios xe/3.13.7s
version/cisco ios xe/3.13.8s
version/cisco ios xe/3.14.0s
version/cisco ios xe/3.14.1s
version/cisco ios xe/3.14.2s
version/cisco ios xe/3.14.3s
version/cisco ios xe/3.14.4s
version/cisco ios xe/3.15.0s
version/cisco ios xe/3.15.1cs
version/cisco ios xe/3.15.1s
version/cisco ios xe/3.15.2s
version/cisco ios xe/3.15.3s
version/cisco ios xe/3.15.4s
version/cisco ios xe/3.16.0as
version/cisco ios xe/3.16.0bs
version/cisco ios xe/3.16.0cs
version/cisco ios xe/3.16.0s
version/cisco ios xe/3.16.1as
version/cisco ios xe/3.16.1s
version/cisco ios xe/3.16.2as
version/cisco ios xe/3.16.2bs
version/cisco ios xe/3.16.2s
version/cisco ios xe/3.16.3as
version/cisco ios xe/3.16.3s
version/cisco ios xe/3.16.4as
version/cisco ios xe/3.16.4bs
version/cisco ios xe/3.16.4cs
version/cisco ios xe/3.16.4ds
version/cisco ios xe/3.16.4es
version/cisco ios xe/3.16.4gs
version/cisco ios xe/3.16.4s
version/cisco ios xe/3.16.5as
version/cisco ios xe/3.16.5bs
version/cisco ios xe/3.16.5s
version/cisco ios xe/3.16.6bs
version/cisco ios xe/3.16.6s
version/cisco ios xe/3.17.0s
version/cisco ios xe/3.17.1as
version/cisco ios xe/3.17.1s
version/cisco ios xe/3.17.2s
version/cisco ios xe/3.17.3s
version/cisco ios xe/3.17.4s
version/cisco ios xe/3.18.0as
version/cisco ios xe/3.18.0s
version/cisco ios xe/3.18.0sp
version/cisco ios xe/3.18.1asp
version/cisco ios xe/3.18.1bsp
version/cisco ios xe/3.18.1csp
version/cisco ios xe/3.18.1gsp
version/cisco ios xe/3.18.1hsp
version/cisco ios xe/3.18.1isp
version/cisco ios xe/3.18.1s
version/cisco ios xe/3.18.1sp
version/cisco ios xe/3.18.2asp
version/cisco ios xe/3.18.2s
version/cisco ios xe/3.18.2sp
version/cisco ios xe/3.18.3s
version/cisco ios xe/3.18.4s
version/cisco ios xe/16.1.1
version/cisco ios xe/16.1.2
version/cisco ios xe/16.1.3
version/cisco ios xe/16.2.1
version/cisco ios xe/16.2.2
version/cisco ios xe/16.3.1
version/cisco ios xe/16.3.1a
version/cisco ios xe/16.3.2
version/cisco ios xe/16.3.3
version/cisco ios xe/16.3.4
version/cisco ios xe/16.4.1
version/cisco ios xe/16.4.2
version/cisco ios xe/16.5.1
version/cisco ios xe/16.5.1a
version/cisco ios xe/16.5.1b
version/cisco ios xe/16.5.2
version/cisco ios xe/16.5.3
version/cisco ios xe/16.6.1
canonical/cisco ios
version/cisco ios/12.2\(58\)ex
version/cisco ios/12.2\(58\)ez
version/cisco ios/12.2\(60\)ez
version/cisco ios/12.2\(60\)ez1
version/cisco ios/12.2\(60\)ez2
version/cisco ios/12.2\(60\)ez3
version/cisco ios/12.2\(60\)ez4
version/cisco ios/12.2\(60\)ez5
version/cisco ios/12.2\(60\)ez6
version/cisco ios/12.2\(60\)ez7
version/cisco ios/12.2\(60\)ez8
version/cisco ios/12.2\(60\)ez9
version/cisco ios/12.2\(60\)ez10
version/cisco ios/12.2\(60\)ez11
version/cisco ios/12.2\(60\)ez12
version/cisco ios/12.2\(60\)ez13
version/cisco ios/15.0\(1\)ex
version/cisco ios/15.0\(2\)ej
version/cisco ios/15.0\(2\)ej1
version/cisco ios/15.0\(2\)ek
version/cisco ios/15.0\(2\)ek1
version/cisco ios/15.0\(2\)ex
version/cisco ios/15.0\(2\)ex1
version/cisco ios/15.0\(2\)ex2
version/cisco ios/15.0\(2\)ex3
version/cisco ios/15.0\(2\)ex4
version/cisco ios/15.0\(2\)ex5
version/cisco ios/15.0\(2\)ex6
version/cisco ios/15.0\(2\)ex7
version/cisco ios/15.0\(2\)ex8
version/cisco ios/15.0\(2\)ex10
version/cisco ios/15.0\(2\)ex11
version/cisco ios/15.0\(2\)ex12
version/cisco ios/15.0\(2\)ex13
version/cisco ios/15.0\(2\)ey
version/cisco ios/15.0\(2\)ey1
version/cisco ios/15.0\(2\)ey2
version/cisco ios/15.0\(2\)ey3
version/cisco ios/15.0\(2\)ez
version/cisco ios/15.0\(2\)se
version/cisco ios/15.0\(2\)se1
version/cisco ios/15.0\(2\)se2
version/cisco ios/15.0\(2\)se3
version/cisco ios/15.0\(2\)se4
version/cisco ios/15.0\(2\)se5
version/cisco ios/15.0\(2\)se6
version/cisco ios/15.0\(2\)se7
version/cisco ios/15.0\(2\)se8
version/cisco ios/15.0\(2\)se9
version/cisco ios/15.0\(2\)se10
version/cisco ios/15.0\(2\)se10a
version/cisco ios/15.0\(2\)se11
version/cisco ios/15.0\(2a\)ex5
version/cisco ios/15.0\(2a\)se9
version/cisco ios/15.1\(1\)sy
version/cisco ios/15.1\(1\)sy1
version/cisco ios/15.1\(1\)sy2
version/cisco ios/15.1\(1\)sy3
version/cisco ios/15.1\(1\)sy4
version/cisco ios/15.1\(1\)sy5
version/cisco ios/15.1\(1\)sy6
version/cisco ios/15.1\(2\)sg
version/cisco ios/15.1\(2\)sg1
version/cisco ios/15.1\(2\)sg2
version/cisco ios/15.1\(2\)sg3
version/cisco ios/15.1\(2\)sg4
version/cisco ios/15.1\(2\)sg5
version/cisco ios/15.1\(2\)sg6
version/cisco ios/15.1\(2\)sg7
version/cisco ios/15.1\(2\)sg8
version/cisco ios/15.1\(2\)sy
version/cisco ios/15.1\(2\)sy1
version/cisco ios/15.1\(2\)sy2
version/cisco ios/15.1\(2\)sy3
version/cisco ios/15.1\(2\)sy6
version/cisco ios/15.1\(2\)sy7
version/cisco ios/15.1\(2\)sy8
version/cisco ios/15.1\(2\)sy9
version/cisco ios/15.1\(2\)sy10
version/cisco ios/15.1\(2\)sy11
version/cisco ios/15.2\(1\)e
version/cisco ios/15.2\(1\)e1
version/cisco ios/15.2\(1\)e2
version/cisco ios/15.2\(1\)e3
version/cisco ios/15.2\(1\)ey
version/cisco ios/15.2\(1\)sc1a
version/cisco ios/15.2\(1\)sd1
version/cisco ios/15.2\(1\)sd2
version/cisco ios/15.2\(1\)sd3
version/cisco ios/15.2\(1\)sd4
version/cisco ios/15.2\(1\)sd6
version/cisco ios/15.2\(1\)sd6a
version/cisco ios/15.2\(1\)sd7
version/cisco ios/15.2\(1\)sd8
version/cisco ios/15.2\(1\)sy
version/cisco ios/15.2\(1\)sy0a
version/cisco ios/15.2\(1\)sy1
version/cisco ios/15.2\(1\)sy1a
version/cisco ios/15.2\(1\)sy2
version/cisco ios/15.2\(1\)sy3
version/cisco ios/15.2\(1\)sy4
version/cisco ios/15.2\(1\)sy5
version/cisco ios/15.2\(2\)e
version/cisco ios/15.2\(2\)e1
version/cisco ios/15.2\(2\)e2
version/cisco ios/15.2\(2\)e3
version/cisco ios/15.2\(2\)e4
version/cisco ios/15.2\(2\)e5
version/cisco ios/15.2\(2\)e5a
version/cisco ios/15.2\(2\)e5b
version/cisco ios/15.2\(2\)e6
version/cisco ios/15.2\(2\)e7
version/cisco ios/15.2\(2\)e7b
version/cisco ios/15.2\(2\)ea
version/cisco ios/15.2\(2\)ea1
version/cisco ios/15.2\(2\)ea2
version/cisco ios/15.2\(2\)ea3
version/cisco ios/15.2\(2\)eb
version/cisco ios/15.2\(2\)eb1
version/cisco ios/15.2\(2\)eb2
version/cisco ios/15.2\(2\)s
version/cisco ios/15.2\(2\)s0a
version/cisco ios/15.2\(2\)s0c
version/cisco ios/15.2\(2\)s0d
version/cisco ios/15.2\(2\)s1
version/cisco ios/15.2\(2\)s2
version/cisco ios/15.2\(2\)sc
version/cisco ios/15.2\(2\)sc1
version/cisco ios/15.2\(2\)sc3
version/cisco ios/15.2\(2\)sc4
version/cisco ios/15.2\(2\)sy
version/cisco ios/15.2\(2\)sy1
version/cisco ios/15.2\(2\)sy2
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