CVE-2021-34701: Cisco Unified Communications Products Path Traversal Vulnerability
First published: Thu Nov 04 2021(Updated: )
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to access sensitive data on an affected device. This vulnerability exists because the web-based management interface does not properly validate 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 affected system.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager | <14su1 | |
| Cisco Unified Communications Manager | <14su1 | |
| Cisco Unified Communications Manager IM and Presence Service | <14su1 | |
| Cisco Unity Connection | <14su1 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-34701?
CVE-2021-34701 is a vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection.
How does CVE-2021-34701 affect Cisco Unified Communications Manager (Unified CM)?
CVE-2021-34701 affects Cisco Unified Communications Manager (Unified CM) versions up to and excluding 14su1.
What is the severity of CVE-2021-34701?
The severity of CVE-2021-34701 is medium, with a severity value of 4.3.
How can I fix CVE-2021-34701?
To fix CVE-2021-34701, it is recommended to apply the necessary updates provided by Cisco.
Where can I find more information about CVE-2021-34701?
You can find more information about CVE-2021-34701 on the Cisco Security Advisory page: [https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-path-trav-dKCvktvO](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-path-trav-dKCvktvO).
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