CVE-2019-1735: Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1735)

Published May 15, 2019
·
Updated

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need valid user credentials to exploit this vulnerability.

Affected Software

95 affected components
cisco NX-OS<8.3\(1\)
cisco MDS 9000
cisco Mds 9100
cisco Mds 9200
cisco Mds 9500
cisco Mds 9700
cisco NX-OS<7.0\(3\)i7\(6\)
Cisco Nexus 3016
cisco Nexus 3048
cisco Nexus 3064
cisco Nexus 3064-t
Cisco Nexus 31108pc-v
Cisco Nexus 31108tc-v
Cisco Nexus 31128pq
Cisco Nexus 3132c-z
cisco Nexus 3132q
Cisco Nexus 3132q-v
Cisco Nexus 3132q-xl
cisco Nexus 3164q
cisco Nexus 3172
Cisco Nexus 3172pq-xl
Cisco Nexus 3172tq
Cisco Nexus 3172tq-32t
Cisco Nexus 3172tq-xl
Cisco Nexus 3232c
Cisco Nexus 3264c-e
Cisco Nexus 3264q
Cisco Nexus 3408-s
Cisco Nexus 34180yc
Cisco Nexus 3432d-s
Cisco Nexus 3464c
Cisco Nexus 9000v
Cisco Nexus 92160yc-x
Cisco Nexus 92300yc
cisco Nexus 92304qc
Cisco Nexus 92348gc-x
cisco Nexus 9236c
Cisco Nexus 9272q
Cisco Nexus 93108tc-ex
cisco Nexus 93108tc-fx
cisco Nexus 93120tx
cisco Nexus 93128tx
Cisco Nexus 93180lc-ex
Cisco Nexus 93180yc-ex
Cisco Nexus 93180yc-fx
Cisco Nexus 93216tc-fx2
Cisco Nexus 93240yc-fx2
Cisco Nexus 9332c
cisco Nexus 9332pq
Cisco Nexus 93360yc-fx2
Cisco Nexus 9336c-fx2
cisco Nexus 9336pq Aci Spine
Cisco Nexus 9348gc-fxp
Cisco Nexus 9364c
cisco Nexus 9372px
Cisco Nexus 9372px-e
cisco Nexus 9372tx
Cisco Nexus 9372tx-e
Cisco Nexus 9396px
cisco Nexus 9396tx
cisco Nexus 9504
Cisco Nexus 9508
cisco Nexus 9516
cisco NX-OS<6.0\(2\)a8\(11\)
cisco NX-OS>=7.0\(3\)i4<7.0\(3\)i7\(6\)
cisco Nexus 3524
Cisco Nexus 3524-x
Cisco Nexus 3524-xl
Cisco Nexus 3548
Cisco Nexus 3548-x
Cisco Nexus 3548-xl
cisco NX-OS>=7.3<7.3\(4\)n1\(1\)
cisco Nexus 5500
cisco Nexus 5600
cisco Nexus 6000
cisco NX-OS>=6.2<6.2\(22\)
cisco NX-OS>=7.2<7.3\(3\)d1\(1\)
cisco NX-OS>=8.0<8.3\(1\)
cisco Nexus 7000
cisco Nexus 7700
cisco NX-OS<4.0\(2a\)
cisco Ucs 6248up
Cisco Ucs 6296up
cisco Ucs 6324
cisco Ucs 6332
cisco Ucs 6332-16up
cisco NX-OS>=5.2<=5.2\(1\)sv5\(1.1\)
cisco Nexus 1000ve
cisco NX-OS<=5.2
cisco Nexus 1000v Hyper-v
cisco NX-OS<5.2\(1\)sv3\(4.1a\)
cisco Nexus 1000v Vsphere
cisco NX-OS>=7.0\(3\)<7.0\(3\)f3\(5\)
Cisco Nexus 36180yc-r
Cisco Nexus 3636c-r

Event History

May 15, 2019
CVE Published
via MITRE·06:45 PM
Data Sourced
via MITRE·06:45 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2019-1735?

The severity of CVE-2019-1735 is rated as high due to the potential for authenticated attackers to execute arbitrary commands with elevated privileges.

2

How do I fix CVE-2019-1735?

To fix CVE-2019-1735, update your Cisco NX-OS Software to the latest version that is not affected by this vulnerability.

3

Which versions of Cisco NX-OS are affected by CVE-2019-1735?

Cisco NX-OS versions prior to 8.3(1) and between 7.0(3)i4 and 7.0(3)i7(6) are affected by CVE-2019-1735.

4

Can CVE-2019-1735 be exploited remotely?

No, CVE-2019-1735 requires local authentication, meaning an attacker must have local access to the device to exploit the vulnerability.

5

What type of devices are impacted by CVE-2019-1735?

CVE-2019-1735 impacts devices running Cisco NX-OS Software, specifically those versions noted in the advisory.

Contact

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