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.
Conclusion & alert: CVE-2025-20374 is rated Low Risk (33/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-04-03 | 0.26% | 0.17% | -0.09% |
| 2 | 2025-12-07 | 0.17% | 0.26% | +0.08% |
| 3 | 2025-11-11 | — | 0.17% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 3.1 | MEDIUM |
|
1.2 | 3.6 | [email protected] |
| 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:*:*:*:*:*:*:* |