What is CVE-2024-21771?

CVE-2024-21771 is a high-severity vulnerability in F5 Big-ip, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-14.

How severe is CVE-2024-21771?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in F5 Big-ip

CVE-2024-21771

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 ve…

EPSS: 0.005 (39.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip — versions 17.1.0, 16.1.0, 15.1.0
F5 Big-ip_advanced_firewall_manager — versions 17.1.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

f5sirt@f5.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21771?: CVE-2024-21771 is a high-severity vulnerability in F5 Big-ip, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-14.
How severe is CVE-2024-21771?: High severity. CVSS v3 base score is 7.5 out of 10.