CVE-2022-20816: Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability
First published: Wed Aug 10 2022(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager | >=11.5\(1\)<14su2 | |
| Cisco Unified Communications Manager | >=11.5\(1\)<14su2 |
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Reference Links
Frequently Asked Questions
What is vulnerability CVE-2022-20816?
Vulnerability CVE-2022-20816 is 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) that could allow an authenticated, remote attacker to delete arbitrary files from an affected system.
What is the severity of vulnerability CVE-2022-20816?
The severity of vulnerability CVE-2022-20816 is high, with a CVSS score of 8.1.
Which software is affected by vulnerability CVE-2022-20816?
Vulnerability CVE-2022-20816 affects Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) versions 11.5(1) to 14su2.
How can an attacker exploit vulnerability CVE-2022-20816?
An attacker with authentication credentials can exploit vulnerability CVE-2022-20816 by accessing the web-based management interface and deleting arbitrary files from the affected system.
Is there a fix available for vulnerability CVE-2022-20816?
Yes, Cisco has released a security advisory with information on how to mitigate vulnerability CVE-2022-20816. Please refer to the Cisco Security Advisory for details.
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