CVE-2021-27884

MEDIUM

YMFE YApi <1.9.2 - RCE

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.1
EPSS 0.0006
EPSS Percentile 17.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-330
Status published
Products (2)
npm/yapi-vendor 0 - 1.9.3npm
ymfe/yapi < 1.9.2
Published Mar 01, 2021
Tracked Since Feb 18, 2026