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HIGH · 7.5

CVE-2021-23032

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings,...

Vulnerability Description

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. 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 Domain Name System>= 12.1.0, <= 12.1.6

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-23032?

CVE-2021-23032 is a vulnerability with a CVSS score of 7.5 (HIGH). On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings,...

How severe is CVE-2021-23032?

CVE-2021-23032 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-2021-23032?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Domain Name System.