SQL injection in Cisco Identity Services Engine (ISE) - CVE-2026-20247

 

SQL injection in Cisco Identity Services Engine (ISE) - CVE-2026-20247

Published: September 17, 2026


Vulnerability identifier: #VU150654
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20247
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to 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 attacker can send a crafted request to modify data in the underlying database.


Affected software

Cisco Identity Services Engine (ISE)

How to mitigate CVE-2026-20247

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