CVE-2024-21789: big-ip — Fix

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

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-772 CWE-772

Affected Products

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

Advisories & Patches

https://my.f5.com/manage/s/article/K000137270 https://my.f5.com/manage/s/article/K000137270

Frequently Asked Questions

What is CVE-2024-21789? +

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 It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-21789? +

CVE-2024-21789 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21789? +

CVE-2024-21789 affects products from f5, specifically: big-ip_advanced_web_application_firewall, big-ip_application_security_manager. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21789? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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