CVE-2021-23028

High

Description

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

SeverityHigh
CVSS7.5
Exploit probability—
ProductF5 Big-ip Advanced Web Application Firewall
PublishedSep 14, 2021
First seenSep 14, 2021

How to fix

Update
  • f5 big-ip_advanced_web_application_firewall15.1.3.1 or later
  • f5 big-ip_application_security_manager15.1.3.1 or later

Affected products

ProductAffected versionsFixed in
f5 big-ip_advanced_web_application_firewall13.1.3.5 ≤ v ≤ 13.1.3.6, 14.1.3.1 ≤ v ≤ 14.1.4.1, 15.1.1 ≤ v < 15.1.3.1, 16.0.115.1.3.1
f5 big-ip_application_security_manager13.1..3.5 ≤ v ≤ 13.1.3.6, 14.1.3.1 ≤ v ≤ 14.1.4.1, 15.1.0 ≤ v < 15.1.3.1, 16.0.115.1.3.1

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