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HIGH · 7.5

CVE-2021-23003

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the Traffic Management Microkernel ...

Vulnerability Description

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the Traffic Management Microkernel (TMM) process may produce a core file when undisclosed MPTCP traffic passes through a standard virtual server. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Advanced Firewall Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Advanced Web Application Firewall>= 11.6.1, < 11.6.5.3
F5Big-Ip Analytics>= 11.6.1, < 11.6.5.3
F5Big-Ip Application Acceleration Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Application Security Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Ddos Hybrid Defender>= 11.6.1, < 11.6.5.3
F5Big-Ip Domain Name System>= 11.6.1, < 11.6.5.3
F5Big-Ip Fraud Protection Service>= 11.6.1, < 11.6.5.3
F5Big-Ip Global Traffic Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Link Controller>= 11.6.1, < 11.6.5.3
F5Big-Ip Local Traffic Manager>= 11.6.1, < 11.6.5.3
F5Big-Ip Policy Enforcement Manager>= 11.6.1, < 11.6.5.3
F5Ssl Orchestrator>= 11.6.1, < 11.6.5.3

References

FAQ

What is CVE-2021-23003?

CVE-2021-23003 is a vulnerability with a CVSS score of 7.5 (HIGH). On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the Traffic Management Microkernel ...

How severe is CVE-2021-23003?

CVE-2021-23003 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-23003?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.