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  • Clipeus

Cisco Unity Connection High-Severity Vulnerability

On 10 January 2024, Cisco fixed a high severity vulnerability (CVE-2024-20272, CVSS: 7.3) affecting specific versions of Cisco Unity Connection. Affected products and first fixed versions below:

Product and Version

First Fixed Release

Cisco Unity Connection 12.5

Cisco Unity Connection 14

Cisco Unity Connection 15

Not vulnerable

The vulnerability exists in a specific API of the web-based management interface which fails to properly validate user-supplied data, subsequently enabling unauthenticated upload of arbitrary files.

This vulnerability may lead to significant security ramifications as a potential attacker may exploit it to deliver malware or files to be used in a broader attack chain, alongside carrying out threats with potential to affect the confidentiality, integrity and/or availability of any data on the system.

It is important to note there is no workaround; remediation involves patching.


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