CVE Vulnerabilities

CVE-2025-20275

Deserialization of Untrusted Data

Published: Jun 04, 2025 | Modified: Jul 22, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Name Vendor Start Version End Version
Unified_contact_center_express Cisco 8.5(1) (including) 8.5(1) (including)
Unified_contact_center_express Cisco 9.0(2)su3es04 (including) 9.0(2)su3es04 (including)
Unified_contact_center_express Cisco 10.0(1)su1 (including) 10.0(1)su1 (including)
Unified_contact_center_express Cisco 10.0(1)su1es04 (including) 10.0(1)su1es04 (including)
Unified_contact_center_express Cisco 10.5(1) (including) 10.5(1) (including)
Unified_contact_center_express Cisco 10.5(1)su1 (including) 10.5(1)su1 (including)
Unified_contact_center_express Cisco 10.5(1)su1es10 (including) 10.5(1)su1es10 (including)
Unified_contact_center_express Cisco 10.6(1) (including) 10.6(1) (including)
Unified_contact_center_express Cisco 10.6(1)su1 (including) 10.6(1)su1 (including)
Unified_contact_center_express Cisco 10.6(1)su2 (including) 10.6(1)su2 (including)
Unified_contact_center_express Cisco 10.6(1)su2es04 (including) 10.6(1)su2es04 (including)
Unified_contact_center_express Cisco 10.6(1)su3 (including) 10.6(1)su3 (including)
Unified_contact_center_express Cisco 10.6(1)su3es01 (including) 10.6(1)su3es01 (including)
Unified_contact_center_express Cisco 10.6(1)su3es02 (including) 10.6(1)su3es02 (including)
Unified_contact_center_express Cisco 10.6(1)su3es03 (including) 10.6(1)su3es03 (including)
Unified_contact_center_express Cisco 11.0(1)su1 (including) 11.0(1)su1 (including)
Unified_contact_center_express Cisco 11.0(1)su1es02 (including) 11.0(1)su1es02 (including)
Unified_contact_center_express Cisco 11.0(1)su1es03 (including) 11.0(1)su1es03 (including)
Unified_contact_center_express Cisco 11.5(1)es01 (including) 11.5(1)es01 (including)
Unified_contact_center_express Cisco 11.5(1)su1 (including) 11.5(1)su1 (including)
Unified_contact_center_express Cisco 11.5(1)su1es01 (including) 11.5(1)su1es01 (including)
Unified_contact_center_express Cisco 11.5(1)su1es02 (including) 11.5(1)su1es02 (including)
Unified_contact_center_express Cisco 11.5(1)su1es03 (including) 11.5(1)su1es03 (including)
Unified_contact_center_express Cisco 11.6(1) (including) 11.6(1) (including)
Unified_contact_center_express Cisco 11.6(1)es01 (including) 11.6(1)es01 (including)
Unified_contact_center_express Cisco 11.6(1)es02 (including) 11.6(1)es02 (including)
Unified_contact_center_express Cisco 11.6(2) (including) 11.6(2) (including)
Unified_contact_center_express Cisco 11.6(2)es01 (including) 11.6(2)es01 (including)
Unified_contact_center_express Cisco 11.6(2)es02 (including) 11.6(2)es02 (including)
Unified_contact_center_express Cisco 11.6(2)es03 (including) 11.6(2)es03 (including)
Unified_contact_center_express Cisco 11.6(2)es04 (including) 11.6(2)es04 (including)
Unified_contact_center_express Cisco 11.6(2)es05 (including) 11.6(2)es05 (including)
Unified_contact_center_express Cisco 11.6(2)es06 (including) 11.6(2)es06 (including)
Unified_contact_center_express Cisco 11.6(2)es07 (including) 11.6(2)es07 (including)
Unified_contact_center_express Cisco 11.6(2)es08 (including) 11.6(2)es08 (including)
Unified_contact_center_express Cisco 12.0(1) (including) 12.0(1) (including)
Unified_contact_center_express Cisco 12.0(1)es01 (including) 12.0(1)es01 (including)
Unified_contact_center_express Cisco 12.0(1)es02 (including) 12.0(1)es02 (including)
Unified_contact_center_express Cisco 12.0(1)es03 (including) 12.0(1)es03 (including)
Unified_contact_center_express Cisco 12.0(1)es04 (including) 12.0(1)es04 (including)
Unified_contact_center_express Cisco 12.5(1) (including) 12.5(1) (including)
Unified_contact_center_express Cisco 12.5(1)_su01_es01 (including) 12.5(1)_su01_es01 (including)
Unified_contact_center_express Cisco 12.5(1)_su01_es02 (including) 12.5(1)_su01_es02 (including)
Unified_contact_center_express Cisco 12.5(1)_su01_es03 (including) 12.5(1)_su01_es03 (including)
Unified_contact_center_express Cisco 12.5(1)_su02_es01 (including) 12.5(1)_su02_es01 (including)
Unified_contact_center_express Cisco 12.5(1)_su02_es02 (including) 12.5(1)_su02_es02 (including)
Unified_contact_center_express Cisco 12.5(1)_su02_es03 (including) 12.5(1)_su02_es03 (including)
Unified_contact_center_express Cisco 12.5(1)_su02_es04 (including) 12.5(1)_su02_es04 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es01 (including) 12.5(1)_su03_es01 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es02 (including) 12.5(1)_su03_es02 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es03 (including) 12.5(1)_su03_es03 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es04 (including) 12.5(1)_su03_es04 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es05 (including) 12.5(1)_su03_es05 (including)
Unified_contact_center_express Cisco 12.5(1)_su03_es06 (including) 12.5(1)_su03_es06 (including)
Unified_contact_center_express Cisco 12.5(1)es01 (including) 12.5(1)es01 (including)
Unified_contact_center_express Cisco 12.5(1)es02 (including) 12.5(1)es02 (including)
Unified_contact_center_express Cisco 12.5(1)es03 (including) 12.5(1)es03 (including)
Unified_contact_center_express Cisco 12.5(1)su1 (including) 12.5(1)su1 (including)
Unified_contact_center_express Cisco 12.5(1)su2 (including) 12.5(1)su2 (including)
Unified_contact_center_express Cisco 12.5(1)su3 (including) 12.5(1)su3 (including)

Potential Mitigations

  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

References