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CVE-2025-20376

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CVE-2025-20376

Published: Nov 5, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

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.

VendorProductVersions

Cisco

Cisco Unified Contact Center Express

affected
10.5(1)SU1
affected
10.6(1)
affected
11.6(1)
affected
10.6(1)SU1
affected
10.6(1)SU3

+52 more versions

Weaknesses (CWE)

CWE-434

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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