CVE-2026-20034 — Cisco Unity Connection Remote Code Execution Vulnerability
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. …
Published: 2026-05-06 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7