CVEvulnerability

CVE-2023-27491

9.1 CRITICAL Published 2023-04-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-04-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-20, CWE-444

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.

Affected configurations

• envoyproxy envoy (< 1.22.9) • envoyproxy envoy (>= 1.23.0 < 1.23.6) • envoyproxy envoy (>= 1.24.0 < 1.24.4) • envoyproxy envoy (>= 1.25.0 < 1.25.3)

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests weakness

References