CVE-2023-44386

low-risk
Published 2023-10-05

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Vapor

Affected Vendors

Vapor

References (6)

Patch https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
Release Notes https://github.com/vapor/vapor/releases/tag/4.84.2
Third Party Advisory https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm
Patch https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
Release Notes https://github.com/vapor/vapor/releases/tag/4.84.2
Third Party Advisory https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal