CVE-2022-20862: Cisco Unified Communications Manager Arbitrary File Read Vulnerability
First published: Wed Jul 06 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 read arbitrary files on the underlying operating system of an affected device. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the operating system.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager | <12.5\(1\)su6 | |
| Cisco Unified Communications Manager | <12.5\(1\)su6 | |
| Cisco Unified Communications Manager | >=14.0<14su2 | |
| Cisco Unified Communications Manager | >=14.0<14su2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-20862?
The severity of CVE-2022-20862 is medium with a severity value of 4.3.
How does CVE-2022-20862 affect Cisco Unified Communications Manager (Unified CM)?
CVE-2022-20862 affects Cisco Unified Communications Manager (Unified CM) versions up to and excluding 12.5(1)su6.
How does CVE-2022-20862 affect Cisco Unified Communications Manager Session Management Edition (Unified CM SME)?
CVE-2022-20862 affects Cisco Unified Communications Manager Session Management Edition (Unified CM SME) versions up to and excluding 12.5(1)su6.
How does CVE-2022-20862 affect Cisco Unified Communications Manager (Unified CM) versions 14.0 to 14su2?
CVE-2022-20862 affects Cisco Unified Communications Manager (Unified CM) versions 14.0 to 14su2.
Is there a fix for CVE-2022-20862?
Yes, Cisco has released a security advisory with the necessary fixes for CVE-2022-20862.
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