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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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 10.5\(1\)su1es10, 12.5(1)es02, 10.5(1)su1es10
Weakness classification (CWE)
References
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.