CVE-2023-44386

MEDIUM EPSS 44.1%
Published Oct 5, 20232y ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Oct 5, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
44.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 3

CWE-231
CWE-617
CWE-696

Affected Products 1

VendorProductVersionRange
vaporvapor*≥4.83.2  –  <4.84.2

References 3

  • github.com https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
    Patch
  • github.com https://github.com/vapor/vapor/releases/tag/4.84.2
    Release Notes
  • github.com https://github.com/vapor/vapor/security/advisories/GHSA-3mwq-h3g6-ffhm
    Third Party Advisory

Remediation

  • github.com https://github.com/vapor/vapor/commit/090464a654b03148b139a81f8f5ac63b0856f6f3
    Patch