Insecure Randomness Affecting crypto-js package, versions >=3.2.0 <3.2.1

  • Attack Complexity


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  • snyk-id


  • published

    11 Feb 2020

  • disclosed

    11 Feb 2020

  • credit


Introduced: 11 Feb 2020

CWE-331 Open this link in a new tab

How to fix?

Upgrade crypto-js to version 3.2.1 or higher.


crypto-js is a library of crypto standards.

Affected versions of this package are vulnerable to Insecure Randomness. The secureRandom() method is supposed to return a cryptographically strong pseudo-random data string, but it is biased to certain digits. An attacker could be able to guess the created digits.