SQL Injection in Cisco Identity Services Engine Software

CVE-2026-20235

A vulnerability in the API of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to view sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient validation of user-supplied parameters in API requests. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20235?
CVE-2026-20235 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under SQL Injection. CVSS score: 4.9/10. Published 2026-09-16.
How severe is CVE-2026-20235?
Medium severity. CVSS v3 base score is 4.9 out of 10.