What is CVE-2024-21763?

CVE-2024-21763 is a high-severity vulnerability in F5 Big-Ip, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2024-02-14.

How severe is CVE-2024-21763?

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

NULL pointer dereference in F5 Big-Ip

CVE-2024-21763

When BIG-IP AFM Device DoS or DoS profile is configured with NXDOMAIN attack vector and bad actor detection, undisclosed queries can cause the Traffic Management Microkernel (TMM) to terminate. NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

EPSS: 0.005 (40.9th 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

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2024-21763?: CVE-2024-21763 is a high-severity vulnerability in F5 Big-Ip, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2024-02-14.
How severe is CVE-2024-21763?: High severity. CVSS v3 base score is 7.5 out of 10.