cisco-sa-20190515-nxos-cmdinj-1776: Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1776)
First published: Wed 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 a 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmdinj-1776
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS Software | ||
| Cisco NX-OS Software | =6.0(2)A8<6.0(2)A8(11)=Prior to 6.0(2)A8<6.0(2)A8(11) | 6.0(2)A8(11) 6.0(2)A8(11) |
| Cisco NX-OS Software | =4.0<4.0(1a)=Prior to 4.0<4.0(1a) | 4.0(1a) 4.0(1a) |
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Reference Links
Frequently Asked Questions
What is the Cisco NX-OS Software Command Injection Vulnerability?
It is a vulnerability that allows an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privileges.
How does the Cisco NX-OS Software Command Injection Vulnerability occur?
The vulnerability occurs due to insufficient validation of arguments passed to a specific CLI command.
What is the severity of Cisco NX-OS Software Command Injection Vulnerability?
The severity of this vulnerability is medium, with a CVSS score of 6.7.
Which versions of Cisco NX-OS Software are affected by this vulnerability?
Versions 6.0(2)A8 and prior, as well as versions 4.0(1a) and prior, are affected.
How can I find more information about the Cisco NX-OS Software Command Injection Vulnerability?
You can find more information about this vulnerability on Cisco's Security Advisory page.
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- version/cisco nx-os software/prior to 4.0