F21 maintains a narrowly scoped JWT (JSON Web Token) library with a modest footprint in the vulnerability landscape. The observed exposure centers on input-validation weaknesses characteristic of token-parsing implementations, and current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by F21 over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2015-2951MEDIUM JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens. | Jun 5, 2015 | 5.0 | 16 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by F21.
Media articles that mention a CVE ID that affects a product developed by F21 — matched by CVE ID, not by vendor name.