1. Home
  2. CVE Database
  3. CVE-2026-20193
MEDIUM · 4.3

CVE-2026-20193

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 info...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
CiscoIdentity Services Engine<= 3.2.0

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2026-20193?

CVE-2026-20193 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability in the RADIUS Policy API endpoints of Cisco ISE could allow an&nbsp;authenticated, remote attacker with read-only Administrator privileges to gain unauthorized access to sensitive info...

How severe is CVE-2026-20193?

CVE-2026-20193 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20193?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Identity Services Engine.