BIGIP AFM DoS via TMM Termination from NXDOMAIN Scan
CVE-2024-21763 Published on February 14, 2024
BIG-IP AFM vulnerability
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
Vulnerability Analysis
CVE-2024-21763 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2024-21763
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Affected Versions
F5 BIG-IP:- Version 17.1.0 and below 17.1.1 is affected.
- Version 16.1.0 and below 16.1.4 is affected.
- Version 15.1.0 and below 15.1.10 is affected.
- Version 15.1.0 and below 15.1.10 is affected.
- Version 16.1.0 and below 16.1.4 is affected.
- Version 17.1.0 and below 17.1.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.