OS command injection in Cisco Unified Computing System (UCS) - CVE-2026-20094
Published: April 1, 2026
Vulnerability identifier: #VU124790
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-2026-20094
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 web-based management interface of Cisco IMC. A remote user with read-only privileges can pass specially crafted data to the application and execute arbitrary OS commands as root on the target system.
Affected software
Cisco Unified Computing System (UCS)
How to mitigate CVE-2026-20094
Install updates from vendor's website.
Cisco Unified Computing System (UCS) - addressed in versions 4.3(6f), 6.0(2b)