CVE-2019-1778: Cisco NX-OS Software Command Injection Vulnerability

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 on the underlying Linux operating system with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. 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 Linux operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.

Affected Software

69 affected components
cisco NX-OS<7.0\(3\)i4\(9\)
cisco NX-OS>=7.0\(3\)i7<7.0\(3\)i7\(4\)
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 34180yc
Cisco Nexus 3464c
cisco Nexus 3524
Cisco Nexus 3524-x
cisco Nexus 3524-x\/xl
Cisco Nexus 3524-xl
Cisco Nexus 3548
Cisco Nexus 3548-x
cisco Nexus 3548-x\/xl
Cisco Nexus 3548-xl
Cisco Nexus 36180yc-r
Cisco Nexus 3636c-r
cisco Nexus 9200yc
cisco Nexus 92304qc
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 93240tc-fx2
Cisco Nexus 9332c
cisco Nexus 9332pq
cisco Nexus 9336pq Aci
Cisco Nexus 9348gc-fxp
cisco Nexus 9372px
Cisco Nexus 9372px-e
cisco Nexus 9372tx
Cisco Nexus 9372tx-e
Cisco Nexus 9396px
cisco Nexus 9396tx
Cisco Nexus 9508
cisco Nexus 9516
cisco NX-OS>=7.0\(3\)<7.0\(3\)f3\(5\)
cisco N9k-c9504-fm-r
cisco N9k-c9508-fm-r
cisco N9k-x96136yc-r
cisco N9k-x9636c-r
cisco N9k-x9636c-rx
cisco N9k-x9636q-r
cisco X96136yc-r
cisco X9636c-r
cisco X9636c-rx
cisco X9636q-r

Event History

May 15, 2019
CVE Published
via MITRE·07:35 PM
Data Sourced
via MITRE·07:35 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2019-1778?

CVE-2019-1778 has been assigned a high severity rating, indicating serious security risks associated with the vulnerability.

2

How do I fix CVE-2019-1778?

To remediate CVE-2019-1778, it is recommended to upgrade Cisco NX-OS Software to a version that includes the patch for this vulnerability.

3

Who is affected by CVE-2019-1778?

CVE-2019-1778 affects Cisco NX-OS Software versions prior to 7.0(3)i7(5) and versions between 7.0(3)i4(9) and 7.0(3)i7(4).

4

Can CVE-2019-1778 be exploited remotely?

No, CVE-2019-1778 requires local authentication, meaning an attacker must have local access to exploit the vulnerability.

5

What type of attack does CVE-2019-1778 enable?

CVE-2019-1778 allows authenticated local attackers to execute arbitrary commands with root privileges on the underlying Linux operating system.

Contact

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