CVE-2025-20374 | Cisco Unified Contact Center Express Arbitrary File Download Vulnerability

A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to perform a directory traversal and access arbitrary resources. This vulnerability is due to an insufficient input validation associated to specific UI features. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to arbitrary files on the underlying operating system. To exploit this vulnerability, the attacker must have valid administrative credentials.

Published: 2025-11-05 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-20374 is rated Moderate Risk (40.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.04%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-20374

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-03 0.93% 1.04% +0.11%
2 2026-06-15 0.17% 0.93% +0.75%
3 2026-04-03 — 0.17% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-20374

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.2 3.6 [email protected]

Weakness enumeration for CVE-2025-20374

Affected software / configurations for CVE-2025-20374

Vendor Product Version Raw CPE
cisco unified_contact_center_express < 12.5\(1\)_su03_es07 cpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*
cisco unified_contact_center_express 15.0 cpe:2.3:a:cisco:unified_contact_center_express:15.0:*:*:*:*:*:*:*

References for CVE-2025-20374

cvelogic Threat Intelligence