#VU64963 Improper Neutralization of Null Byte or NUL Character in Expressway Series and Cisco TelePresence Video Communication Server - CVE-2022-20813

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Main Vulnerability Database Vulnerabilities #VU64963

#VU64963 Improper Neutralization of Null Byte or NUL Character in Expressway Series and Cisco TelePresence Video Communication Server - CVE-2022-20813

Published: July 7, 2022


Vulnerability identifier: #VU64963
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-2022-20813
CWE-ID: CWE-158
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Expressway Series
Cisco TelePresence Video Communication Server
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation. A remote attacker can perform a man-in-the-middle attack and view the intercepted traffic in clear text or alter the contents of the traffic.


Remediation

Install updates from vendor's website.

External links