CVE-2023-27493

Katalog CVE

CVSS 9.1 · Critical EPSS 0,51%

Kerentanan Improper Input Validation pada envoyproxy envoy. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, Envoy does not sanitize or escape request properties when generating request headers. This can lead to characters that are illegal in header values to be sent to the upstream service. In the worst case, it can cause upstream service to interpret the original request as two pipelined requests, possibly bypassing the intent of Envoy’s security policy. Versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9 contain a patch. As a workaround, disable adding request headers based on the downstream request properties, such as downstream certificate properties.

Rincian

Terbit di NVD

4 April 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.1 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

EPSS (30 hari)

0,51% peluang dieksploitasi; lebih tinggi dari 41,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/envoyproxy/envoy/security/advisories/GHSA-w5w5-487h-qv8q exploit · advisory vendor