CVE-2026-20193CWE-862

Cisco Identity Services Engine Authentication Bypass Vulnerability

Medium · published May 6, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00221 · 12.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-05-06T16:15Z
EPSS history
Timeline
  • 06 MAY 16:15Z
    Cisco Identity Services Engine Authentication Bypass Vulnerability
    cvelistv5