// For flags

CVE-2023-44386

Incorrect request error handling triggers server crash in Vapor

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

Vapor es un framework web HTTP para Swift. Existe una vulnerabilidad de denegación de servicio que afecta a todos los usuarios de las versiones afectadas de Vapor. El controlador de errores HTTP1 cerraba las conexiones cuando se producían errores de análisis HTTP en lugar de transmitirlos. El problema se solucionó a partir de la versión 4.84.2 de Vapor.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-09-28 CVE Reserved
  • 2023-10-05 CVE Published
  • 2024-09-19 CVE Updated
  • 2024-11-06 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-231: Improper Handling of Extra Values
  • CWE-617: Reachable Assertion
  • CWE-696: Incorrect Behavior Order
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Vapor
Search vendor "Vapor"
 Vapor
Search vendor "Vapor" for product "Vapor"
 >= 4.83.2 < 4.84.2
Search vendor "Vapor" for product "Vapor" and version " >= 4.83.2 < 4.84.2"
-
Affected