CVE-2024-21763: f5 big-ip NULL Pointer Dereference
CVSS: 7.5v3.1HighAnalyzed
Published 14-02-2024Last modified 06-11-2024
Vulnerability summary
CVE-2024-21763 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in f5 big-ip. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 42.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-02-2024PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 19-09-2026
19-09-202619-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F52 products
- big-ip≥ 17.1.0, < 17.1.1 | ≥ 16.1.0, < 16.1.4 | ≥ 15.1.0, < 15.1.10
- big-ip_advanced_firewall_manager≥ 17.1.0, < 17.1.1
1 vendor · 2 products
References
1 links- my.f5.com/manage/s/article/K000137521Vendor Advisory