CVE-2023-44386
MEDIUMCVSS 5.3/10EPSS 0.60%
Last modified
CVE-2023-44386 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Vapor is an HTTP web framework for Swift. There is a denial of service vulnerability impacting all users of affected versions of Vapor. EPSS estimates a 0.60% chance of exploitation in the next 30 days.
Description
Vapor is an HTTP web framework for Swift. There is a denial of service vulnerability impacting all users of affected versions of Vapor. The HTTP1 error handler closed connections when HTTP parse errors occur instead of passing them on. The issue is fixed as of Vapor release 4.84.2.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vapor | Vapor | >= 4.83.2, < 4.84.2 |
References
- https://github.com/vapor/vapor/releases/tag/4.84.2Release Notes
- https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhmThird Party Advisory
- https://github.com/vapor/vapor/releases/tag/4.84.2Release Notes
- https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhmThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-44386?
Vapor is an HTTP web framework for Swift. There is a denial of service vulnerability impacting all users of affected versions of Vapor. The HTTP1 error handler closed connections when HTTP parse errors occur instead of passing them on. The issue is fixed as of Vapor release 4.84.2.
How severe is CVE-2023-44386?
CVE-2023-44386 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2023-44386?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-44386?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST