CVE-2021-23039

Description

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.2.8, and all versions of 13.1.x and 12.1.x, when IPSec is configured on a BIG-IP system, undisclosed requests from an authorized remote (IPSec) peer, which already has a negotiated Security Association, can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory f5.com
Affected: n/a BIG-IP
Published at:
Updated at:

References

Link Tags
https://support.f5.com/csp/article/K66782293 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-23039?
CVE-2021-23039 has been scored as a high severity vulnerability.
How to fix CVE-2021-23039?
To fix CVE-2021-23039, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23039 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-23039 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23039?
CVE-2021-23039 affects n/a BIG-IP.
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