CVE-2025-20276

Cisco Unified Contact Center Express Remote Code Execution Vulnerability

Published Jun 4, 2025 CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
Description
A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.&nbsp;

This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by sending a crafted Java object to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-16887 A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.&nbsp; This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by sending a crafted Java object to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:cisco:unified_contact_center_express:10.0\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.0\(1\)su1es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\)su1es10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su2es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\)es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\)es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es05:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es06:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es07:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es08:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es04:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es05:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es06:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es01:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es02:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es03:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:8.5\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_contact_center_express:9.0\(2\)su3es04:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.&nbsp; This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by sending a crafted Java object to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root.
Title Cisco Unified Contact Center Express Remote Code Execution Vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Feb 26, 2026, 6:27 PM
Reserved
Oct 10, 2024, 7:15 PM
Status
Analyzed
Published
Jun 4, 2025, 5:15 PM
Modified
Jun 17, 2026, 8:41 AM