#VU54189 Improper Certificate Validation in Cisco DNA Center (Catalyst Center) - CVE-2021-1134

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Main Vulnerability Database Vulnerabilities #VU54189

#VU54189 Improper Certificate Validation in Cisco DNA Center (Catalyst Center) - CVE-2021-1134

Published: June 17, 2021


Vulnerability identifier: #VU54189
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1134
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco DNA Center (Catalyst Center)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive data.

The vulnerability exists due to an incomplete validation of the X.509 certificate used when establishing a connection between DNA Center and Cisco Identity Services Engine (ISE) server. A remote attacker can use a specially crafted certificate and view sensitive information on the target system.


Remediation

Install updates from vendor's website.

External links