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8.8 High

CVE-2026-20034 A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote…

Description

A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.

Affected products and versions

Product Affected versions Fixed in
Cisco Unity Connection 15 15SU1 → 15 No fix stated
Cisco Unity Connection 14 14SU1 → 14 No fix stated

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