What’s Vulnerable › Vulnerabilities

CVE-2021-23451: Insecure Randomness

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-07-25 · updated 2026-06-17
• Weakness: CWE-330

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.

Affected products

• otp-generator: before 3.0.0 — fixed in 3.0.0

How to fix

Upgrade to a fixed version: otp-generator 3.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/Maheshkumar-Kakade/otp-generator/commit/b27de1ce439ae7f533cec26677e9698671275b70
• https://github.com/Maheshkumar-Kakade/otp-generator/issues/12
• https://security.snyk.io/vuln/SNYK-JS-OTPGENERATOR-1655480
• https://github.com/Maheshkumar-Kakade/otp-generator/commit/b27de1ce439ae7f533cec26677e9698671275b70
• https://github.com/Maheshkumar-Kakade/otp-generator/issues/12
• https://security.snyk.io/vuln/SNYK-JS-OTPGENERATOR-1655480

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