VULNERABILITY INTELLIGENCE

CVE-2021-27884

CVSS score5.1 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2021-03-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • CWE-330: Use of Insufficiently Random Values

Primary references