CVE-2026-20081: Cisco Unity Connection

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.  These vulnerabilities are due to improper sanitization of user input to the web-based management interface. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from an affected system.

Affected products

• Cisco Unity Connection: up to and including 12.5; version 14.0 only; version 14su1 only; version 14su2 only; version 14su3 only; version 14su3a only; …

Published 2026-04-15. Last modified 2026-06-17.