CVE-2025-20275: cisco cisco unified contact center express Deserialization of Untrusted Data
Vulnerability summary
CVE-2025-20275 is a high (CVSS 7.8) Deserialization of Untrusted Data vulnerability in cisco cisco unified contact center express. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8% of scored vulnerabilities.
Timeline
- 04-06-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA5.3MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco unified contact center express10.6(1) | 10.5(1)SU1 | 10.6(1)SU3 | 12.0(1) | 10.0(1)SU1 | 10.6(1)SU1 | 11.0(1)SU1 | 11.5(1)SU1 | 10.5(1) | 11.6(1) | 11.6(2) | 12.5(1) | 12.5(1)SU1 | 12.5(1)SU2 | 12.5(1)SU3 | 12.5(1)_SU03_ES01 | 12.5(1)_SU03_ES02 | 12.5(1)_SU02_ES03 | 12.5(1)_SU02_ES04 | 12.5(1)_SU02_ES02 | 12.5(1)_SU01_ES02 | 12.5(1)_SU01_ES03 | 12.5(1)_SU02_ES01 | 11.6(2)ES07 | 11.6(2)ES08 | 12.5(1)_SU01_ES01 | 12.0(1)ES04 | 12.5(1)ES02 | 12.5(1)ES03 | 11.6(2)ES06 | 12.5(1)ES01 | 12.0(1)ES03 | 12.0(1)ES01 | 11.6(2)ES05 | 12.0(1)ES02 | 11.6(2)ES04 | 11.6(2)ES03 | 11.6(2)ES02 | 11.6(2)ES01 | 10.6(1)SU3ES03 | 11.0(1)SU1ES03 | 10.6(1)SU3ES01 | 10.5(1)SU1ES10 | 10.0(1)SU1ES04 | 11.5(1)SU1ES03 | 11.6(1)ES02 | 11.5(1)ES01 | 9.0(2)SU3ES04 | 10.6(1)SU2 | 10.6(1)SU2ES04 | 11.6(1)ES01 | 10.6(1)SU3ES02 | 11.5(1)SU1ES02 | 11.5(1)SU1ES01 | 8.5(1) | 11.0(1)SU1ES02 | 12.5(1)_SU03_ES03 | 12.5(1)_SU03_ES04 | 12.5(1)_SU03_ES05 | 12.5(1)_SU03_ES06
- unified_contact_center_express8.5\(1\) | 9.0\(2\)su3es04 | 10.0\(1\)su1 | 10.0\(1\)su1es04 | 10.5\(1\) | 10.5\(1\)su1 | 10.5\(1\)su1es10 | 10.6\(1\) | 10.6\(1\)su1 | 10.6\(1\)su2 | 10.6\(1\)su2es04 | 10.6\(1\)su3 | 10.6\(1\)su3es01 | 10.6\(1\)su3es02 | 10.6\(1\)su3es03 | 11.0\(1\)su1 | 11.0\(1\)su1es02 | 11.0\(1\)su1es03 | 11.5.1es01 | 11.5.1su1 | 11.5\(1\)su1es01 | 11.5\(1\)su1es02 | 11.5\(1\)su1es03 | 11.6\(1\) | 11.6\(1\)es01 | 11.6\(1\)es02 | 11.6\(2\) | 11.6\(2\)es01 | 11.6\(2\)es02 | 11.6\(2\)es03 | 11.6\(2\)es04 | 11.6\(2\)es05 | 11.6\(2\)es06 | 11.6\(2\)es07 | 11.6\(2\)es08 | 12.0.1 | 12.0\(1\)es01 | 12.0\(1\)es02 | 12.0\(1\)es03 | 12.0\(1\)es04 | 12.5.1 | 12.5\(1\)_su01_es01 | 12.5\(1\)_su01_es02 | 12.5\(1\)_su01_es03 | 12.5\(1\)_su02_es01 | 12.5\(1\)_su02_es02 | 12.5\(1\)_su02_es03 | 12.5\(1\)_su02_es04 | 12.5\(1\)_su03_es01 | 12.5\(1\)_su03_es02 | 12.5\(1\)_su03_es03 | 12.5\(1\)_su03_es04 | 12.5\(1\)_su03_es05 | 12.5\(1\)_su03_es06 | 12.5\(1\)es01 | 12.5\(1\)es02 | 12.5\(1\)es03 | 12.5\(1\)su1 | 12.5\(1\)su2 | 12.5\(1\)su3
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory