What’s Vulnerable › Vulnerabilities

CVE-2021-3538

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-02 · updated 2026-06-17
• Weakness: CWE-338

Description

A flaw was found in github.com/satori/go.uuid in versions from commit 0ef6afb2f6cdd6cdaeee3885a95099c63f18fc8c to d91630c8510268e75203009fe7daf2b8e1d60c45. Due to insecure randomness in the g.rand.Read function the generated UUIDs are predictable for an attacker.

Affected products

• satori/go.uuid: all versions

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1954376
• https://github.com/satori/go.uuid/issues/73
• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSATORIGOUUID-72488
• https://bugzilla.redhat.com/show_bug.cgi?id=1954376
• https://github.com/satori/go.uuid/issues/73
• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSATORIGOUUID-72488

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