CVE-2023-44386
CVE-2023-44386 is a medium-severity vulnerability in Vapor with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-231.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-231
- Affected product: Vapor
- Published:
- Last modified:
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.
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 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-44386 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-44386?
- CVE-2023-44386 affects Vapor. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-44386?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-44386 published?
- CVE-2023-44386 was published on 2023-10-05 and last updated on 2026-06-17.
References
- https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
- https://github.com/vapor/vapor/releases/tag/4.84.2
- https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm
Affected products (1)
- cpe:2.3:a:vapor:vapor:*:*:*:*:*:*:*:*
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