Vulnerability identifier: #VU64955

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20862

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Unified Communications Manager
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Unified Communications Manager: 12.5(1) - 14SU1

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-file-read-qgjhEc3A
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvy86663

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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.