Improper Certificate Validation Affecting std/crypto/x509 package, versions <1.12.16>=1.13.0-0 <1.13.7


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Attacked
EPSS
89.44% (100th percentile)

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  • Snyk IDSNYK-GOLANG-STDCRYPTOX509-14545634
  • published6 Jan 2026
  • disclosed1 Aug 2022
  • creditUnknown

Introduced: 1 Aug 2022

CVE-2020-0601  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade std/crypto/x509 to version 1.12.16, 1.13.7 or higher.

Overview

std/crypto/x509 is a Go standard library package std/crypto/x509

Affected versions of this package are vulnerable to Improper Certificate Validation.

Go Vulnerability Report:
A Windows vulnerability allows attackers to spoof valid certificate chains when the system root store is in use.A workaround is present in Go 1.12.6+ and Go 1.13.7+, but affected users should additionally install the Windows security update to protect their system.

CVSS Base Scores

version 4.0
version 3.1