CVE-2021-27884: Use of Insufficiently Random Values

March 26, 2021 (updated July 22, 2021)

Weak JSON Web Token (JWT) signing secret generation in YMFE YApi allows recreation of other users’ JWT tokens. This occurs because Math.random in Node.js is used.

References

github.com/YMFE/yapi/issues/2117
github.com/YMFE/yapi/issues/2263
github.com/advisories/GHSA-2h3h-vw8r-82rp
nvd.nist.gov/vuln/detail/CVE-2021-27884
securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi

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