CVE-2024-21771

F5 AFM Signature Matching Vulnerability

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory f5.com
Affected: F5 BIG-IP
Published at:
Updated at:

References

Link Tags
https://my.f5.com/manage/s/article/K000137595 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-21771?
CVE-2024-21771 has been scored as a high severity vulnerability.
How to fix CVE-2024-21771?
To fix CVE-2024-21771, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-21771 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-21771 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21771?
CVE-2024-21771 affects F5 BIG-IP.
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