Multiple vulnerabilities in the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to conduct a reflected XSS attack against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit these vulnerabilities, the attacker must have at least a low-privileged account on the affected device.
Conclusion & alert: CVE-2025-20304 is rated Low Risk (25.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%). 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 | 0.07% | 0.03% | -0.03% |
| 2 | 2026-03-07 | 0.04% | 0.07% | +0.03% |
| 3 | 2025-11-06 | — | 0.04% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | identity_services_engine | <= 3.1.0 | cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:-:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch1:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch2:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch3:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch4:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch5:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch6:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.2.0 | cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch7:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:-:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.3.0 | cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch7:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.4.0 | cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.4.0 | cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.4.0 | cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:* |
| cisco | identity_services_engine | 3.4.0 | cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:* |