SB2026050720 - Multiple vulnerabilities in Cisco Identity Services Engine (ISE)

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Main Vulnerability Database SB2026050720

SB2026050720 - Multiple vulnerabilities in Cisco Identity Services Engine (ISE)

Published: May 7, 2026

Security Bulletin ID SB2026050720
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Missing Authorization (CVE-ID: CVE-2026-20193)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to improper role-based access control (RBAC) permissions on the RADIUS Policy API endpoints. A remote user can gain access to sensitive information on the target system.


2) Observable Response Discrepancy (CVE-ID: CVE-2026-20195)

CWE-ID: CWE-204 - Observable Response Discrepancy

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to error messages are observed when the affected API endpoint is called. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References