Main Vulnerability Database Vulnerabilities #VU66111

Path traversal in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2022-20816

Published: August 4, 2022

Vulnerability identifier: #VU66111

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-20816

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface. A remote user can send a specially crafted HTTP request and delete arbitrary files on the system.

Affected software

Cisco Unified Communications Manager
Cisco Unified Communications Manager Session Management Edition

How to mitigate CVE-2022-20816

Install update from vendor's website.

Cisco Unified Communications Manager - update to 14SU2
Cisco Unified Communications Manager Session Management Edition - update to 14SU2

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-file-delete-N2VPmOnE

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