Missing authorization in Cisco Unified Computing System (UCS) - CVE-2026-20093
Published: April 1, 2026
Vulnerability identifier: #VU124792
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20093
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to missing authorization checks within the password change functionality of Cisco IMC. A remote non-authenticated attacker can send a specially crafted HTTP request and change password for arbitrary accounts on the system, including administrative accounts.
Affected software
Cisco Unified Computing System (UCS)
How to mitigate CVE-2026-20093
Install updates from vendor's website.
Cisco Unified Computing System (UCS) - addressed in versions 4.3(6f), 6.0(1d), 6.0(2b)