Vulnerability · Published Apr 7, 2021 · Assigned by mitre
CVE-2021-30246
Critical 9.1
In plain English
A critical-severity security flaw in the jsrsasign package (npm). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.0%top 38.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | jsrsasign | 10.2.0 | GHSA-27fj-mc8w-j9wg |
Affected products (as reported)
References
- https://kjur.github.io/jsrsasign/ x_refsource_MISC
- https://github.com/kjur/jsrsasign/issues/478 x_refsource_MISC
- https://github.com/kjur/jsrsasign/releases/tag/10.1.13 x_refsource_MISC