CVE-2023-2816 HIGH

CVE-2023-2816: Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner

Vendor Hashicorp
Product Consul
Weakness CWE-266
Published June 2, 2023
Last update October 7, 2024

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.

Key dates

02Disclosure timeline

June 2, 2023 CVE published
October 7, 2024 Record updated