CVE-2019-12638: Cisco Identity Services Engine

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web-based management interface. The vulnerability is due to insufficient validation of user-supplied input that is processed by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.

Affected products

• Cisco Identity Services Engine: up to and including 2.2.0; version 2.3 only; version 2.3(0.298) only; version 2.4 only; version 2.4(0.357) only; version 2.6(0.156) only; …

Published 2019-10-16. Last modified 2026-06-17.