Out-of-bounds write in Cisco Unified Computing System (UCS) - CVE-2026-20097
Published: April 1, 2026
Vulnerability identifier: #VU124791
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20097
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a boundary error the web-based management interface of Cisco IMC. A remote attacker can send a specially crafted HTTP request to the web interface, trigger an out-of-bounds write and execute arbitrary code as root.
Affected software
Cisco Unified Computing System (UCS)
How to mitigate CVE-2026-20097
Install updates from vendor's website.
Cisco Unified Computing System (UCS) - addressed in versions 4.3(6f), 6.0(2b)