SQL injection in Cisco Identity Services Engine (ISE) - CVE-2026-20300

 

SQL injection in Cisco Identity Services Engine (ISE) - CVE-2026-20300

Published: September 17, 2026


Vulnerability identifier: #VU150655
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20300
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to read or modify data in the underlying database.

The vulnerability exists due to improper input validation in Cisco Identity Services Engine when handling crafted requests. A remote user can send a crafted request to read or modify data in the underlying database.

Exploitation requires at least low-privileged administrative credentials.


Affected software

Cisco Identity Services Engine (ISE)

How to mitigate CVE-2026-20300

Install security update from vendor's website.

Cisco Identity Services Engine (ISE) - addressed in versions 3.3 Patch 12, 3.4 Patch 7, 3.5 Patch 4

External References

Related Security Bulletins