Vulnerability CVE-2021-30246
Published: 2021-04-07

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.

Type:

CWE-347

 (Improper Verification of Cryptographic Signature)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Jsrsasign project -> Jsrsasign 

 References:
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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