CVE-2021-1354: Cisco Unified Computing System Central Software

Low severity, CVSS 3.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in the certificate registration process of Cisco Unified Computing System (UCS) Central Software could allow an authenticated, adjacent attacker to register a rogue Cisco Unified Computing System Manager (UCSM). This vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the registration API. A successful exploit could allow the attacker to register a rogue Cisco UCSM and gain access to Cisco UCS Central Software data and Cisco UCSM inventory data.

Affected products

• Cisco Unified Computing System Central Software: before 2.0\(1m\) (fixed in 2.0\(1m\))

Published 2021-02-04. Last modified 2026-06-17.