CVE-2025-20296: Cisco Ucs Manager

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious data into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must be a member of the Administrator or AAA Administrator role.

Affected products

• Cisco Ucs Manager: before 4.2\(3p\) (fixed in 4.2\(3p\)); from 4.3\(2b\), before 4.3\(6a\) (fixed in 4.3\(6a\))

Published 2025-08-27. Last modified 2026-09-18.