Vulnerability · Published Sep 16, 2026 · Assigned by cisco
CVE-2026-20247Cisco Identity Services Engine Unauthenticated SQL Injection Vulnerability
High 7.5
In plain English
A high-severity SQL injection in Cisco Identity Services Engine Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.1.03.1.0 p13.1.0 p33.1.0 p23.2.03.1.0 p43.1.0 p53.2.0 p1 |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N