CVE-2026-20247

HIGH CVSS 3.1: 7.5
Updated Sep 17, 2026
Cisco
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-89 (SQL Injection)
Vendor Cisco
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)