CVE-2024-20487: Cisco Identity Services Engine

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct a stored 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 at least a low-privileged account on an affected device.

Affected products

• Cisco Identity Services Engine: from 3.0.0, before 3.1.0 (fixed in 3.1.0); version 3.1.0 only; version 3.2.0 only; version 3.3.0 only

Published 2024-11-06. Last modified 2026-06-17.