CVE-2020-14039

Description

In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements (if VerifyOptions.Roots equals nil and the installation is on Windows). Thus, X.509 certificate verification is incomplete.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/forum/#%21forum/golang-announce
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html vendor advisory mailing list third party advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory patch
https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w
https://security.netapp.com/advisory/ntap-20200731-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-14039?
CVE-2020-14039 has been scored as a medium severity vulnerability.
How to fix CVE-2020-14039?
To fix CVE-2020-14039, 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-2020-14039 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-14039 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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