Improper Certificate Validation in Cisco Data Center Network Manager - CVE-2021-1277
Published: January 20, 2021 / Updated: January 27, 2021
Vulnerability identifier: #VU50063
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1277
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to missing validation of certificates. A remote attacker can use a specially crafted X.509 certificate, intercept communications and view and alter potentially sensitive information on the target system.
Affected software
Cisco Data Center Network Manager
How to mitigate CVE-2021-1277
Install updates from vendor's website.
Cisco Data Center Network Manager - update to 11.5.1