Critical severity · published Apr 7, 2021
CVE-2021-30246
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
9.1
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
Jsrsasign · Kjur
through 10.1.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30246
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30246
Third Party Advisory
https://github.com/kjur/jsrsasign/issues/478
Release Notes
https://github.com/kjur/jsrsasign/releases/tag/10.1.13
Release Notes
https://kjur.github.io/jsrsasign/
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