CVE-2023-3518

HIGH

HashiCorp Consul <1.16.1 - Privilege Escalation

Title source: llm

Description

HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.

References (1)

Core 1

Core References

Vendor Advisory

https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004

Scores

CVSS v3 7.4

EPSS 0.0013

EPSS Percentile 31.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-266

Status published

Products (2)

hashicorp/consul 1.16.0 (3 CPE variants)

hashicorp/consul 1.16.0 - 1.16.1Go

Published Aug 09, 2023

Tracked Since Feb 18, 2026