CVE-2021-23033

High

Description

On BIG-IP Advanced WAF and BIG-IP ASM version 16.x before 16.1.0x, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

SeverityHigh
CVSS7.5
Exploit probability61. percentile0.9%
ProductF5 Big-ip Advanced Web Application Firewall
PublishedSep 14, 2021
First seenSep 14, 2021

How to fix

Update
  • f5 big-ip_advanced_web_application_firewall13.1.4.1, 14.1.4.3, 15.1.3.1, 16.1.0 or later
  • f5 big-ip_application_security_manager13.1.4.1, 14.1.4.3, 15.1.3.1, 16.1.0 or later

Affected products

ProductAffected versionsFixed in
f5 big-ip_advanced_web_application_firewall12.1.0 ≤ v ≤ 12.1.6, 13.1.0 ≤ v < 13.1.4.1, 14.1.0 ≤ v < 14.1.4.3, 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.013.1.4.1, 14.1.4.3, 15.1.3.1, 16.1.0
f5 big-ip_application_security_manager12.1.0 ≤ v ≤ 12.1.6, 13.1.0 ≤ v < 13.1.4.1, 14.1.0 ≤ v < 14.1.4.3, 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.013.1.4.1, 14.1.4.3, 15.1.3.1, 16.1.0

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