Vulnerability · Published Feb 4, 2021 · Assigned by cisco

CVE-2021-1354Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability

Medium 4.3

In plain English

A medium-severity improper certificate validation in Cisco Unified Computing System Central Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 63.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 (as reported)

Vendor	Product	Versions
Cisco	Cisco Unified Computing System Central Software	n/a

Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

20210203 Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability vendor-advisory, x_refsource_CISCO