CVE-2021-30246

CRITICAL
Published Apr 7, 20215y ago · Modified Jun 22, 20261w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Apr 7, 2021 5y ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-347

Affected Products 1

VendorProductVersionRange
kjurjsrsasign* ≤10.1.13

References 3

  • github.com https://github.com/kjur/jsrsasign/issues/478
    Third Party Advisory
  • github.com https://github.com/kjur/jsrsasign/releases/tag/10.1.13
    Release NotesThird Party Advisory
  • kjur.github.io https://kjur.github.io/jsrsasign/
    Release NotesThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.