CVE-2021-27884

EUVD-2021-0584
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.1 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
Affected Products (NVD)
VendorProductVersion
ymfeyapi
𝑥
≤ 1.9.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/YMFE/yapi/issues/2117
https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi
https://github.com/YMFE/yapi/issues/2117
https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi