Vulnerability Intelligence Report
CVE-2021-22963
A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false.
No Active Exploit Signals
CVSS Base Score
6.1
MEDIUM
EPSS Probability:1.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-601 ↗Open Redirect (CWE-601)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| fastify | fastify-static | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.132%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HackerOne · Bug Bounty Provider · USA |
| Reserved | 2021-01-06T00:00:00 |
| Published | 2021-10-14T14:50:11 |
| Last Updated | 2024-08-03T18:58:26 |
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