CVE-2025-20376

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 58/100
Published: 2025-11-05 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Unchanged
C: High
I: High
A: None

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.

Affected Software (57)

VendorProductVersion
Cisco Cisco Unified Contact Center Express 10.5(1)SU1
Cisco Cisco Unified Contact Center Express 10.6(1)
Cisco Cisco Unified Contact Center Express 11.6(1)
Cisco Cisco Unified Contact Center Express 10.6(1)SU1
Cisco Cisco Unified Contact Center Express 10.6(1)SU3
Cisco Cisco Unified Contact Center Express 11.6(2)
Cisco Cisco Unified Contact Center Express 12.0(1)
Cisco Cisco Unified Contact Center Express 11.0(1)SU1
Cisco Cisco Unified Contact Center Express 11.5(1)SU1
Cisco Cisco Unified Contact Center Express 10.5(1)
Cisco Cisco Unified Contact Center Express 12.5(1)
Cisco Cisco Unified Contact Center Express 12.5(1)SU1
Cisco Cisco Unified Contact Center Express 12.5(1)SU2
Cisco Cisco Unified Contact Center Express 12.5(1)SU3
Cisco Cisco Unified Contact Center Express 12.5(1)_SU03_ES01
Cisco Cisco Unified Contact Center Express 12.5(1)_SU03_ES02
Cisco Cisco Unified Contact Center Express 12.5(1)_SU02_ES03
Cisco Cisco Unified Contact Center Express 12.5(1)_SU02_ES04
Cisco Cisco Unified Contact Center Express 12.5(1)_SU02_ES02
Cisco Cisco Unified Contact Center Express 12.5(1)_SU01_ES02
Cisco Cisco Unified Contact Center Express 12.5(1)_SU01_ES03
Cisco Cisco Unified Contact Center Express 12.5(1)_SU02_ES01
Cisco Cisco Unified Contact Center Express 11.6(2)ES07
Cisco Cisco Unified Contact Center Express 11.6(2)ES08
Cisco Cisco Unified Contact Center Express 12.5(1)_SU01_ES01
Cisco Cisco Unified Contact Center Express 12.0(1)ES04
Cisco Cisco Unified Contact Center Express 12.5(1)ES02
Cisco Cisco Unified Contact Center Express 12.5(1)ES03
Cisco Cisco Unified Contact Center Express 11.6(2)ES06
Cisco Cisco Unified Contact Center Express 12.5(1)ES01
Showing 30 of 57 entries

Bug Bounty Relevance

58 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.48%
Raw Score 0.004780
Percentile 41.8%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00478
2026-11-13
0.00478
2026-11-12
0.00478
2026-11-10
0.00478
2026-11-09
0.00478
2026-11-08
0.00478
2026-11-07
0.00478
2026-11-06
0.00478
2026-11-05
0.00478
2026-11-04
0.00478
2026-11-03
0.00478

Intelligence Sources

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