otp-generator before v3.0.0 insecurely generates random one-time passwords

CRITICAL 9.8CVE-2021-23451 · GHSA-6x93-h9g3-9phr · Published 25/07/2022 · updated 17/06/2026

In short

CVE-2021-23451 is a CRITICAL (CVSS 9.8) vulnerability affecting otp-generator (otp-generator project), otp-generator.
Chance of exploitation in the next 30 days (EPSS): 0.91%, higher than 60.2% of all vulnerabilities.
Fix: update to 3.0.0 or later.

Package	Affected versions	Patched versions
otp-generator otp-generator_project	`< 3.0.0`	`3.0.0`
otp-generator npm	`< 3.0.0`	`3.0.0`

Description

The package otp-generator before 3.0.0 are vulnerable to Insecure Randomness due to insecure generation of random one-time passwords, which may allow a brute-force attack.

NVD description

The package otp-generator before 3.0.0 are vulnerable to Insecure Randomness due to insecure generation of random one-time passwords, which may allow a brute-force attack.

References

nvd.nist.gov/vuln/detail/CVE-2021-23451 · ADVISORY
Maheshkumar-Kakade/otp-generator · WEB
Maheshkumar-Kakade/otp-generator commit b27de1c · WEB
Maheshkumar-Kakade/otp-generator · PACKAGE
security.snyk.io/vuln/SNYK-JS-OTPGENERATOR-1655480 · WEB

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