Cyber Resilience

CVE-2021-23007

MediumPublic PoC

Published: 31 March 2021

Published
31 March 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0082 74.9th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23007 is a medium-severity an unspecified weakness vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 25.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f5
big-ip access policy manager
14.1.4, 16.0.1.1
f5
big-ip advanced firewall manager
14.1.4, 16.0.1.1
f5
big-ip advanced web application firewall
14.1.4, 16.0.1.1
f5
big-ip analytics
14.1.4, 16.0.1.1
f5
big-ip application acceleration manager
14.1.4, 16.0.1.1
f5
big-ip application security manager
14.1.4, 16.0.1.1
f5
big-ip ddos hybrid defender
14.1.4, 16.0.1.1
f5
big-ip domain name system
14.1.4, 16.0.1.1
f5
big-ip edge gateway
14.1.4, 16.0.1.1
f5
big-ip fraud protection service
14.1.4, 16.0.1.1
+6 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References