CVE-2026-20247
Cisco Identity Services Engine Unauthenticated SQL Injection Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-89 |
| Vendor | cisco |
| Product | cisco identity services engine software |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Sep 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for cisco cisco identity services engine software
Be the first to know when new high vulnerabilities affecting cisco cisco identity services engine software are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
Cisco / Cisco Identity Services Engine Software
3.1.0 3.1.0 p1 3.1.0 p3 3.1.0 p2 3.2.0 3.1.0 p4 3.1.0 p5 3.2.0 p1 3.1.0 p6 3.2.0 p2 3.1.0 p7 3.3.0 3.2.0 p3 3.2.0 p4 3.1.0 p8 3.2.0 p5 3.2.0 p6 3.1.0 p9 3.3 Patch 2 3.3 Patch 1 3.3 Patch 3 3.4.0 3.2.0 p7 3.3 Patch 4 3.4 Patch 1 3.1.0 p10 3.3 Patch 5 3.3 Patch 6 3.4 Patch 2 3.3 Patch 7 3.4 Patch 3 3.5.0 3.4 Patch 4 3.3 Patch 8 3.2 Patch 8 3.5 Patch 1 3.3 Patch 9 3.2 Patch 9 3.4 Patch 5 3.5 Patch 3 3.5 Patch 2 3.3 Patch 10 3.3 Patch 11 3.4 Patch 6 3.2 Patch 10 3.1.0 p72 3.1.0 p11