high
8.8
CWE
78 20
Advisory Published
Updated

CVE-2019-1745: Cisco IOS XE Software Command Injection Vulnerability

First published: Wed Mar 27 2019(Updated: )

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with elevated privileges. The vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected commands. An exploit could allow the attacker to gain root privileges on the affected device.

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

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE Software=3.6.10e
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=3.13.9s
Cisco IOS XE Software=3.13.10s
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=3.16.7as
Cisco IOS XE Software=3.16.7bs
Cisco IOS XE Software=3.16.7s
Cisco IOS XE Software=3.16.8s
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=3.17.3s
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=3.18.3asp
Cisco IOS XE Software=3.18.3bsp
Cisco IOS XE Software=3.18.3s
Cisco IOS XE Software=3.18.3sp
Cisco IOS XE Software=3.18.4s
Cisco IOS XE Software=3.18.4sp
Cisco IOS XE Software=3.18.5sp
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=16.3.5
Cisco IOS XE Software=16.3.5b
Cisco IOS XE Software=16.3.6
Cisco IOS XE Software=16.3.7
Cisco IOS XE Software=16.4.1
Cisco IOS XE Software=16.4.2
Cisco IOS XE Software=16.4.3
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 XE Software=16.6.2
Cisco IOS XE Software=16.6.3
Cisco IOS XE Software=16.6.4
Cisco IOS XE Software=16.6.4a
Cisco IOS XE Software=16.6.4s
Cisco IOS XE Software=16.7.1
Cisco IOS XE Software=16.7.1a
Cisco IOS XE Software=16.7.1b
Cisco IOS XE Software=16.7.2
Cisco IOS XE Software=16.8.1
Cisco IOS XE Software=16.8.1a
Cisco IOS XE Software=16.8.1b
Cisco IOS XE Software=16.8.1c
Cisco IOS XE Software=16.8.1d
Cisco IOS XE Software=16.8.1e
Cisco IOS XE Software=16.8.1s
Cisco IOS XE Software=16.8.2
Cisco IOS XE Software=16.9.1
Cisco IOS XE Software=16.9.1a
Cisco IOS XE Software=16.9.1b
Cisco IOS XE Software=16.9.1c
Cisco IOS XE Software=16.9.1d
Cisco IOS XE Software=16.9.1s
Cisco IOS XE Software=16.9.2
Cisco IOS XE Software=16.9.2a

Remedy

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-1745?

    CVE-2019-1745 has been classified with a critical severity rating due to its impact on the vulnerable systems.

  • How do I fix CVE-2019-1745?

    To fix CVE-2019-1745, update to the latest Cisco IOS XE Software version that contains the patches for this vulnerability.

  • Who is affected by CVE-2019-1745?

    CVE-2019-1745 affects Cisco IOS XE Software versions listed in the specified vulnerability advisory.

  • What can an attacker do with CVE-2019-1745?

    An attacker exploiting CVE-2019-1745 could inject arbitrary commands that are executed with elevated privileges on the affected system.

  • Is there a workaround for CVE-2019-1745?

    Currently, the best practice to mitigate CVE-2019-1745 is to apply the available software updates as no workaround is provided.

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