7.8

CVE-2025-20275: cisco cisco unified contact center express Deserialization of Untrusted Data

CVSS: 7.8v3.1HighAnalyzed
Published 04-06-2025Last modified 26-02-2026

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.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-06-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last 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

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

18-09-202618-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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