Executive Summary

Informations
Name CVE-2023-27491 First vendor Publication 2023-04-04
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Overall CVSS Score 9.1
Base Score 9.1 Environmental Score 9.1
impact SubScore 5.2 Temporal Score 9.1
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27491

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 28

Sources (Detail)

https://datatracker.ietf.org/doc/html/rfc9113#section-8.3
https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1
https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp
https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2
Source Url

Alert History

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Date Informations
2024-11-28 14:23:32
  • Multiple Updates
2023-10-19 02:28:45
  • Multiple Updates
2023-04-11 21:27:43
  • Multiple Updates
2023-04-05 17:27:16
  • Multiple Updates
2023-04-05 00:27:13
  • First insertion