CVE-2018-15904: a10networks Acos Web Application Firewall

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A10 ACOS Web Application Firewall (WAF) 2.7.1 and 2.7.2 before 2.7.2-P12, 4.1.0 before 4.1.0-P11, 4.1.1 before 4.1.1-P8, and 4.1.2 before 4.1.2-P4 mishandles the configured rules for blocking SQL injection attacks, aka A10-2017-0008.

Affected products

• a10networks Acos Web Application Firewall: version 2.7.1 only; version 2.7.2 only; version 4.1.0 only; version 4.1.1 only; version 4.1.2 only

Published 2018-08-27. Last modified 2026-06-17.