RCE in Cisco Unified Computing System (Managed)
CVE-2026-20036
A vulnerability in the CLI and web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker with valid administrative privileges to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient input validation of command arguments that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device with root-level privileges.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.004 (37.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Cisco Unified Computing System (Managed) — versions 4.0(4h), 4.1(1a), 4.0(1c)
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20036?
- CVE-2026-20036 is a medium-severity vulnerability in Cisco Unified Computing System (Managed), classified under OS Command Injection. CVSS score: 6.5/10. Published 2026-02-25.
- How severe is CVE-2026-20036?
- Medium severity. CVSS v3 base score is 6.5 out of 10.