Is CVE-2024-20479 being actively exploited?

CVE-2024-20479 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2024-20479?

CVE-2024-20479 has a CVSS 3.1 base score of 4.8 (MEDIUM).

CVE-2024-20479

MEDIUM · CVSS 4.8EPSS 0.3%EU EUVD

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability 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 this vulnerability, the attacker must have Admin privileges on an affected device.

Key facts

CVSS score: 4.8 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
EPSS score: 0.3% (20th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2024-18194)
Published: August 7, 2024
NVD last modified: September 21, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2024-18194 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.

View on the EU Vulnerability Database

Affected products

cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine
cisco / identity services engine

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Cisco Identity Services Engine (ISE) V3.3 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-11517-2025 - active

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-xss-V2bm9JCY(Vendor Advisory)

Last updated September 23, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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