CVE-2022-20816 Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability

Medium 6.5 Published 10 Aug 2022 Updated 1 Nov 2024

Authenticated attackers can delete arbitrary files on Cisco Unified Communications Manager via crafted HTTP requests.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-20816?

CVE-2022-20816 is a medium-severity path traversal vulnerability in Cisco Unified Communications Manager, published on 10 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to delete arbitrary files from an affected system. This vulnerability exists because the affected software does not properly validate HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to delete arbitrary files from the affected system.

Weakness: CWE-22

Which versions are affected by CVE-2022-20816?

It affects 1 product.

Products include Cisco Unified Communications Manager.

How do I fix CVE-2022-20816?

No fix has been published for CVE-2022-20816 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-20816 being exploited?

There is no known exploitation of CVE-2022-20816 in the wild and no public exploit code.

All Cisco Unified Communications Manager vulnerabilities

Sources

Also known as GHSA-6pf9-83g8-xqr2.