Path traversal in Cisco Unified Communications Manager



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20816
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
Cisco Unified Communications Manager
Server applications / Other server solutions

Cisco Unified Communications Manager Session Management Edition
Server applications / Remote management servers, RDP, SSH

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU66111

Risk: Medium

CVSSv4.0: [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/E:U/U:Green]

CVE-ID: CVE-2022-20816

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Unified Communications Manager: 11.5(1) - 14

Cisco Unified Communications Manager Session Management Edition: 11.5.1 - 14.0

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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