Executive Summary

CVE-2024-20479 exposes an authenticated remote XSS flaw in Cisco ISE’s web‑based management interface. Insufficient input validation allows an attacker with Admin privileges to inject malicious scripts into specific pages, enabling arbitrary code execution or theft of browser‑based sensitive data. The vulnerability requires legitimate credentials but can be leveraged from any remote location, posing a significant risk to systems with exposed ISE interfaces.

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Authoritative CVE Metadata - CVSS Base Score: 4.8 (MEDIUM) - Published: 2024-08-07T17:15:50.930 - Last Modified: 2026-09-21T13:21:30.213

Original Description: 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.

"Yesterday is history. Tomorrow is a mystery. And today? Today is a gift that's why they call it the present."

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