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HIGH · 7.5

CVE-2021-23051

On BIG-IP versions 15.1.0.4 through 15.1.3, when the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver is used with BIG-IP on Amazon Web Services (AWS) systems, undisclosed reques...

Vulnerability Description

On BIG-IP versions 15.1.0.4 through 15.1.3, when the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver is used with BIG-IP on Amazon Web Services (AWS) systems, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. This is due to an incomplete fix for CVE-2020-5862. Note: Software versions which have reached End of Technical Support (EoTS) 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>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Advanced Firewall Manager>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Advanced Web Application Firewall>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Analytics>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Application Acceleration Manager>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Application Security Manager>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Domain Name System>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Fraud Protection Service>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Global Traffic Manager>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Link Controller>= 15.1.0.4, < 15.1.3.1
F5Big-Ip Local Traffic Manager>= 15.1.0.4, < 15.1.3.1

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-23051?

CVE-2021-23051 is a vulnerability with a CVSS score of 7.5 (HIGH). On BIG-IP versions 15.1.0.4 through 15.1.3, when the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver is used with BIG-IP on Amazon Web Services (AWS) systems, undisclosed reques...

How severe is CVE-2021-23051?

CVE-2021-23051 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-2021-23051?

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.