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Vulnerability record · CVE-2022-35255 · published 5 December 2022

CVE-2022-35255: Nodejs node.js vulnerability

Nodejs · Node.Js

A weak randomness in WebCrypto keygen vulnerability exists in Node.js 18 due to a change with EntropySource() in SecretKeyGenTraits::DoKeyGen() in src/crypto/crypto_keygen.cc. There are two problems with this: 1) It does not check the return value, it assumes EntropySource() always succeeds, but it can (and sometimes will) fail. 2) The random data returned byEntropySource() may not be cryptographically strong and therefore not suitable as keying material.

9.1 CVSS 3.1 Critical EPSS 1.9% · top 20.9% CWE-338 · CWE-338
9.1CVSS 3.1 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A weak randomness in WebCrypto keygen vulnerability exists in Node.js 18 due to a change with EntropySource() in SecretKeyGenTraits::DoKeyGen() in src/crypto/crypto_keygen.cc. There are two problems with this: 1) It does not check the return value, it assumes EntropySource() always succeeds, but it can (and sometimes will) fail. 2) The random data returned byEntropySource() may not be cryptographically strong and therefore not suitable as keying material.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf Third Party Advisory
https://hackerone.com/reports/1690000 ExploitIssue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20230113-0002/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5326 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf Third Party Advisory
https://hackerone.com/reports/1690000 ExploitIssue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20230113-0002/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5326 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-35255), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.