CVE-2023-27491

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/04/2023

Last modified:

11/04/2023

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

9.10

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:envoyproxy:envoy::::::::		1.22.9 (excluding)
cpe:2.3:a:envoyproxy:envoy::::::::	1.23.0 (including)	1.23.6 (excluding)
cpe:2.3:a:envoyproxy:envoy::::::::	1.24.0 (including)	1.24.4 (excluding)
cpe:2.3:a:envoyproxy:envoy::::::::	1.25.0 (including)	1.25.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-27491

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools