Detections
Analytics

CVE-2021-30246

critical

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.

References

https://kjur.github.io/jsrsasign/

https://github.com/kjur/jsrsasign/releases/tag/10.1.13

https://github.com/kjur/jsrsasign/issues/478

https://github.com/advisories/GHSA-h87q-g2wp-47pj

https://github.com/advisories/GHSA-27fj-mc8w-j9wg

Details

Source: Mitre, NVD

Published: 2021-04-07

Updated: 2026-06-22

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.0017