CVE-2026-20247

Cisco Identity Services Engine Unauthenticated SQL Injection Vulnerability

Severity
High 7.5
CVSS 3.1
Remote · no auth what this means
Exploited
Not listed
EPSS
0.003
23.1th percentile
Discovered by
Vendor
Vendor-published field
Published
Sep 16, 2026
Assigned by cisco

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.

Weakness: CWE-89

Affected products

Vendor Product Category Matched by
Cisco Cisco Identity Services Engine (ISE) Check your version Identity / IAM / MFA cna-assigner
Vendor-reported products (1)
  • Cisco · Cisco Identity Services Engine Software

Vendor advisory

cisco-sa-ise-sql-inj-3QTKR947

Cisco Identity Services Engine SQL Injection Vulnerabilities

Cisco’s rating: High (advisory CVSS 7.5) · Published Sep 16, 2026

Bug IDs: CSCwu26088 , CSCwu27707

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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