OS Command Injection in Cisco NX-OS - CVE-2022-20650

 

OS Command Injection in Cisco NX-OS - CVE-2022-20650

Published: February 23, 2022


Vulnerability identifier: #VU60838
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20650
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the NX-API feature of Cisco NX-OS Software. A remote authenticated user can send a specially crafted HTTP POST request to the NX-API and execute arbitrary OS commands on the target system with root privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Cisco NX-OS

How to mitigate CVE-2022-20650

Install updates from vendor's website.

Cisco NX-OS - addressed in versions 7.0(3)I7(10), 9.3(8)

External References

Related Security Bulletins