SQL Injection in Cisco Identity Services Engine Software

CVE-2026-20247

A vulnerability in Cisco ISE could allow an unauthenticated, remote attacker to conduct SQL injection attacks on an affected device. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to modify data in the underlying database.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20247?
CVE-2026-20247 is a high-severity vulnerability in Cisco Identity Services Engine Software, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-09-16.
How severe is CVE-2026-20247?
High severity. CVSS v3 base score is 7.5 out of 10.