CVE-2024-21789

Name: CVE-2024-21789
Creator: NVD / NIST
Published: 2024-02-14T17:15:12.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2024-21789 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. When a BIG-IP ASM/Advanced WAF security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

When a BIG-IP ASM/Advanced WAF security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.52%

39.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F5	Big-Ip Advanced Web Application Firewall	>= 17.1.0, < 17.1.1
F5	Big-Ip Application Security Manager	>= 17.1.0, < 17.1.1

References

https://my.f5.com/manage/s/article/K000137270Vendor Advisory
https://my.f5.com/manage/s/article/K000137270Vendor Advisory

Timeline

Published: Feb 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21789?

How severe is CVE-2024-21789?

CVE-2024-21789 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21789?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21789?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST