CVE-2021-22984

Medium

Description

On BIG-IP Advanced WAF and ASM version 15.1.x before 15.1.0.2, 15.0.x before 15.0.1.4, 14.1.x before 14.1.2.5, 13.1.x before 13.1.3.4, 12.1.x before 12.1.5.2, and 11.6.x before 11.6.5.2, when receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense (versions prior to 14.1.0), or a Bot Defense profile (versions 14.1.0 and later), may subject clients and web servers to Open Redirection attacks. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

SeverityMedium
CVSS6.1
Exploit probability—
ProductF5 Big-ip Advanced Web Application Firewall
PublishedFeb 12, 2021
First seenFeb 12, 2021

How to fix

Update
  • f5 big-ip_advanced_web_application_firewall11.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.2.5, 15.0.1.4, 15.1.0.2 or later
  • f5 big-ip_application_security_manager11.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.2.5, 15.0.1.4, 15.1.0.2 or later

Affected products

ProductAffected versionsFixed in
f5 big-ip_advanced_web_application_firewall11.6.1 ≤ v < 11.6.5.2, 12.1.0 ≤ v < 12.1.5.2, 13.1.0 ≤ v < 13.1.3.4, 14.1.0 ≤ v < 14.1.2.5, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.211.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.2.5, 15.0.1.4, 15.1.0.2
f5 big-ip_application_security_manager11.6.1 ≤ v < 11.6.5.2, 12.1.0 ≤ v < 12.1.5.2, 13.1.0 ≤ v < 13.1.3.4, 14.1.0 ≤ v < 14.1.2.5, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.211.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.2.5, 15.0.1.4, 15.1.0.2

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