CVE-2025-20275: Cisco Unified Contact Center Express

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in the file opening process of Cisco Unified Contact Center Express (Unified CCX) Editor could allow an unauthenticated attacker to execute arbitrary code on an affected device.  This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by persuading an authenticated, local user to open a crafted .aef file. A successful exploit could allow the attacker to execute arbitrary code on the host that is running the editor application with the privileges of the user who launched it.

Affected products

• Cisco Unified Contact Center Express: version 8.5(1) only; version 9.0(2)su3es04 only; version 10.0(1)su1 only; version 10.0(1)su1es04 only; version 10.5(1) only; version 10.5(1)su1 only; …

Published 2025-06-04. Last modified 2026-06-17.