Vulnerability · Published Jan 20, 2021 · Assigned by cisco

CVE-2021-1277Cisco Data Center Network Manager Certificate Validation Vulnerabilities

High 7.5

In plain English

A high-severity improper certificate validation in Cisco Data Center Network Manager 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 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 65.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Data Center Network Manager	n/a

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

References

20210120 Cisco Data Center Network Manager Certificate Validation Vulnerabilities vendor-advisory, x_refsource_CISCO