CVE-2020-14039
Certificate verification error on Windows in crypto/x509
5.3
MEDIUM
CVSS 3.1
EPSS 0.43%
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.
How to fix CVE-2020-14039
To remediate CVE-2020-14039, upgrade the affected package to a fixed version below.
- —upgrade to 1.13.13 or later
- —upgrade to 1.13.13 or later
Is CVE-2020-14039 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.13.13, >= 1.14.0, < 1.14.5
- from 0, < 1.13.13, >= 1.14.0-0, < 1.14.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |