TI-2025-14670 Aliases CVE-2025-20376 GHSA-x3h8-2mvf-vv78

Cisco Unified Contact Center Express Remote Code Execution Vulnerability

LOW 34CWE-434Published 2025-11-05 · Updated 2026-11-03

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to upload and execute arbitrary files. This vulnerability is due to an insufficient input validation associated to file upload mechanisms. An attacker could exploit this vulnerability by uploading a malicious file to the web UI and executing it. A successful exploit could allow the attacker to execute arbitrary commands on the underlying system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00478 41st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Unified Contact Center Express	10.5(1)SU1; 10.6(1); 11.6(1); 10.6(1)SU1; 10.6(1)SU3; 11.6(2); 12.0(1); 11.0(1)SU1; 11.5(1)SU1; 10.5(1); 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; 11.5(1)SU1ES03; 11.6(1)ES02; 11.5(1)ES01; 10.6(1)SU2; 10.6(1)SU2ES04; 11.6(1)ES01; 10.6(1)SU3ES02; 11.5(1)SU1ES02; 11.5(1)SU1ES01; 11.0(1)SU1ES02; 12.5(1)_SU03_ES03; 12.5(1)_SU03_ES04; 12.5(1)_SU03_ES05; UCCX 15.0.1; 12.5(1)_SU03_ES06	—	No fix listed	CNA

Cisco Unified Contact Center Express VendorCisco Affected 10.5(1)SU1; 10.6(1); 11.6(1); 10.6(1)SU1; 10.6(1)SU3; 11.6(2); 12.0(1); 11.0(1)SU1; 11.5(1)SU1; 10.5(1); 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; 11.5(1)SU1ES03; 11.6(1)ES02; 11.5(1)ES01; 10.6(1)SU2; 10.6(1)SU2ES04; 11.6(1)ES01; 10.6(1)SU3ES02; 11.5(1)SU1ES02; 11.5(1)SU1ES01; 11.0(1)SU1ES02; 12.5(1)_SU03_ES03; 12.5(1)_SU03_ES04; 12.5(1)_SU03_ES05; UCCX 15.0.1; 12.5(1)_SU03_ES06 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:unified_contact_center_express::::::::	before 12.5\(1\)_su03_es07	Vulnerable	Cisco
cpe:2.3:a:cisco:unified_contact_center_express:15.0:::::::*	15.0	Vulnerable	Cisco

cpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:* Versions before 12.5\(1\)_su03_es07 Vulnerable ·Cisco
cpe:2.3:a:cisco:unified_contact_center_express:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-20376
2026-10-03 Alias added: GHSA-x3h8-2mvf-vv78

References

Advisory 1

cisco-sa-cc-mult-vuln-gK4TFXSn

TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
TI-2020-02838 Cisco Unified Contact Center Express Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2018-00362 Cross-site scripting in Cisco Unified Contact Center Express unknown CVSS 3.0CRITICAL 9.8
TI-2024-13188 Deserialization of untrusted data in Cisco Unified Contact Center Enterprise CVSS 3.1CRITICAL 10.0
TI-2025-14653 Cisco Unified Contact Center Express Editor Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8
TI-2017-09109 Improper authentication in Cisco Voice Operating System CVSS 3.0CRITICAL 9.8

See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences