What is GHSA-2h3h-vw8r-82rp?

GHSA-2h3h-vw8r-82rp is a security advisory published by GitHub Security Advisories with Medium severity. Weak JSON Web Token in yapi-vendor

Which CVE IDs does GHSA-2h3h-vw8r-82rp cover?

GHSA-2h3h-vw8r-82rp covers the following CVE IDs: CVE-2021-27884. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2h3h-vw8r-82rp?

GHSA-2h3h-vw8r-82rp has a CVSS v3 base score of 5.1, published by GitHub Security Advisories.

Which products are affected by GHSA-2h3h-vw8r-82rp?

GHSA-2h3h-vw8r-82rp affects 1 product, including: npm/yapi-vendor:\u003c= 1.9.2.

GHSA-2h3h-vw8r-82rpMediumCVSS 5.1

Weak JSON Web Token in yapi-vendor

Vendor

GitHub Security Advisories

Published

March 26, 2021

Last Modified

February 1, 2023

🔗 CVE IDs covered (1)

CVE-2021-27884 →

📋 Description

Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is used as a source of randomness in jwt signing. Math.random does not provide cryptographically secure random numbers. This has been patched in version 1.9.3.

🎯 Affected products1

npm/yapi-vendor:<= 1.9.2

🔗 References (5)

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