CVE-2021-27884 describes a weakness in YMFE YApi through version 1.9.2, where JSON Web Token (JWT) signing secrets are generated using Node.js's Math.random, making them predictable and allowing attackers to recreate other users' tokens. This vulnerability has a CVSS score of 5.1 (MEDIUM), indicating a local attack vector with low complexity, potentially leading to limited confidentiality and integrity impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.9.2CPE matchmatch criteria | cpe:2.3:a:ymfe:yapi:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.