Deserialization in Cisco Unified Contact Center Express
CVE-2025-20275
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.
Vulnerability class: Insecure Deserialization
EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Cisco Unified Contact Center Express — versions 10.6(1), 10.5(1)SU1, 10.6(1)SU3
- Cisco Unified_contact_center_express — versions 8.5\(1\), 9.0\(2\)su3es04, 10.0\(1\)su1
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20275?
- CVE-2025-20275 is a medium-severity vulnerability in Cisco Unified Contact Center Express, classified under Deserialization of Untrusted Data. CVSS score: 5.3/10. Published 2025-06-04.
- How severe is CVE-2025-20275?
- Medium severity. CVSS v3 base score is 5.3 out of 10.