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Cisco Bug: CSCvh66214 - Cisco FXOS and NX-OS Command Injection Vulnerability (CVE-2019-1795)

Last Modified

May 22, 2019

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases

7.3(2)N1(0.432)

Description (partial)

Symptom:
A vulnerability in a specific CLI command for Cisco FXOS and NX-OS Software-based appliances 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 targeted 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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmdinj-1795

Conditions:
Please refer to the Security Advisory.
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