What’s Vulnerable › Vulnerabilities

CVE-2021-30246

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-07 · updated 2026-06-22
• Weakness: CWE-347

Description

In the jsrsasign package through 10.1.13 for Node.js, some invalid RSA PKCS#1 v1.5 signatures are mistakenly recognized to be valid. NOTE: there is no known practical attack.

Affected products

• jsrsasign: through 10.1.13

References

• https://github.com/kjur/jsrsasign/issues/478
• https://github.com/kjur/jsrsasign/releases/tag/10.1.13
• https://kjur.github.io/jsrsasign/
• https://github.com/kjur/jsrsasign/issues/478
• https://github.com/kjur/jsrsasign/releases/tag/10.1.13
• https://kjur.github.io/jsrsasign/

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