CVE-2024-21771

High

Description

For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

SeverityHigh
CVSS7.5
Exploit probability—
ProductF5 Big-ip Advanced Firewall Manager
PublishedFeb 14, 2024
First seenFeb 14, 2024

How to fix

Update
  • f5 big-ip_advanced_firewall_manager15.1.9, 16.1.4 or later

Affected products

ProductAffected versionsFixed in
f5 big-ip_advanced_firewall_manager15.1.0 ≤ v < 15.1.9, 16.1.0 ≤ v < 16.1.4, 17.1.015.1.9, 16.1.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.