CVE-2026-20193

Medium

Description

A vulnerability in the RADIUS Policy API endpoints of Cisco ISE could allow an authenticated, remote attacker with read-only Administrator privileges to gain unauthorized access to sensitive information on an affected device. This vulnerability is due to improper role-based access control (RBAC) permissions on the RADIUS Policy API endpoints. An attacker could exploit this vulnerability by bypassing the web-based management interface and directly calling an affected endpoint. A successful exploit could allow the attacker to gain unauthorized read access to sensitive RADIUS Policy details that are restricted for their role.

SeverityMedium
CVSS4.3
Exploit probability—
ProductCisco Identity Services Engine
PublishedMay 6, 2026
First seenMay 6, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco identity_services_enginev ≤ 3.2.0, 3.3.0, 3.4.0, 3.5.0—

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