A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, local attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper limitation of a pathname to a restricted directory (path traversal). An attacker could exploit this vulnerability by sending a crafted web request to an affected device, followed by a specific command through an SSH session. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root.
Conclusion & alert: CVE-2025-20277 is rated Low Risk (24.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.11%). 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 | 2026-03-31 | 0.01% | 0.11% | +0.10% |
| 2 | 2025-06-05 | — | 0.01% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.4 | 3.1 | LOW |
|
0.8 | 2.5 | [email protected] |
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | unified_contact_center_express | 8.5\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:8.5\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 9.0\(2\)su3es04 | cpe:2.3:a:cisco:unified_contact_center_express:9.0\(2\)su3es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.0\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:10.0\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.0\(1\)su1es04 | cpe:2.3:a:cisco:unified_contact_center_express:10.0\(1\)su1es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.5\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.5\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.5\(1\)su1es10 | cpe:2.3:a:cisco:unified_contact_center_express:10.5\(1\)su1es10:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su2 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su2:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su2es04 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su2es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su3 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su3es01 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su3es02 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 10.6\(1\)su3es03 | cpe:2.3:a:cisco:unified_contact_center_express:10.6\(1\)su3es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.0\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.0\(1\)su1es02 | cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.0\(1\)su1es03 | cpe:2.3:a:cisco:unified_contact_center_express:11.0\(1\)su1es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.5\(1\)es01 | cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.5\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.5\(1\)su1es01 | cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.5\(1\)su1es02 | cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.5\(1\)su1es03 | cpe:2.3:a:cisco:unified_contact_center_express:11.5\(1\)su1es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(1\)es01 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\)es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(1\)es02 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\)es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\) | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es01 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es02 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es03 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es04 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es05 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es05:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es06 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es06:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es07 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es07:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 11.6\(2\)es08 | cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\)es08:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.0\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.0\(1\)es01 | cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.0\(1\)es02 | cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.0\(1\)es03 | cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.0\(1\)es04 | cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\)es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\) | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\):*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su01_es01 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su01_es02 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su01_es03 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su01_es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su02_es01 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su02_es02 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su02_es03 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su02_es04 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su02_es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es01 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es02 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es03 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es04 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es04:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es05 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es05:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)_su03_es06 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)_su03_es06:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)es01 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es01:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)es02 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es02:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)es03 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)es03:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)su1 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su1:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)su2 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su2:*:*:*:*:*:*:* |
| cisco | unified_contact_center_express | 12.5\(1\)su3 | cpe:2.3:a:cisco:unified_contact_center_express:12.5\(1\)su3:*:*:*:*:*:*:* |