Main Vulnerability Database Vulnerabilities #VU64962

Path traversal in Expressway Series and Cisco TelePresence Video Communication Server - CVE-2022-20812

Published: July 7, 2022

Vulnerability identifier: #VU64962

CSH Severity: Low

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L]

CVE-ID: CVE-2022-20812

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the cluster database API. A remote administrator can send a specially crafted HTTP request and overwrite arbitrary files on the system.

Affected software

Expressway Series
Cisco TelePresence Video Communication Server

How to mitigate CVE-2022-20812

Install update from vendor's website.

Expressway Series - update to 14.0.7
Cisco TelePresence Video Communication Server - update to 14.0.7

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH

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