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CVE-2021-23007

MEDIUMCVSS 5.3/10EPSS 1.58%

Last modified

CVE-2021-23007 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
1.58%

72.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager14.1.4
F5Big-Ip Access Policy Manager16.0.1.1
F5Big-Ip Advanced Firewall Manager14.1.4
F5Big-Ip Advanced Firewall Manager16.0.1.1
F5Big-Ip Advanced Web Application Firewall14.1.4
F5Big-Ip Advanced Web Application Firewall16.0.1.1
F5Big-Ip Analytics14.1.4
F5Big-Ip Analytics16.0.1.1
F5Big-Ip Application Acceleration Manager14.1.4
F5Big-Ip Application Acceleration Manager16.0.1.1
F5Big-Ip Application Security Manager14.1.4
F5Big-Ip Application Security Manager16.0.1.1
F5Big-Ip Ddos Hybrid Defender14.1.4
F5Big-Ip Ddos Hybrid Defender16.0.1.1
F5Big-Ip Domain Name System14.1.4
F5Big-Ip Domain Name System16.0.1.1
F5Big-Ip Edge Gateway14.1.4
F5Big-Ip Edge Gateway16.0.1.1
F5Big-Ip Fraud Protection Service14.1.4
F5Big-Ip Fraud Protection Service16.0.1.1
F5Big-Ip Global Traffic Manager14.1.4
F5Big-Ip Global Traffic Manager16.0.1.1
F5Big-Ip Link Controller14.1.4
F5Big-Ip Link Controller16.0.1.1
F5Big-Ip Local Traffic Manager14.1.4
F5Big-Ip Local Traffic Manager16.0.1.1
F5Big-Ip Policy Enforcement Manager14.1.4
F5Big-Ip Policy Enforcement Manager16.0.1.1
F5Big-Ip Ssl Orchestrator14.1.4
F5Big-Ip Ssl Orchestrator16.0.1.1
F5Big-Ip Webaccelerator14.1.4
F5Big-Ip Webaccelerator16.0.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23007?
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.
How severe is CVE-2021-23007?
CVE-2021-23007 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23007?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23007?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST