CVE-2023-3518 | BDVDB-2026-209162 Detail

HashiCorpConsul

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.

Impact#

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs

Weaknesses#

CWE-266 Incorrect Privilege Assignment

References#

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

Exploit#

No public exploit known

History#

Version 12023-08-09Record published in the CVE List.
Version 22024-10-08Most recent update recorded in the CVE List.

Published

Published: 2023-08-09
Last modified: 2024-10-08

Vendor information

Vendor: HashiCorp
Product: Consul

All HashiCorp vulnerabilities

Score

7.4 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 39.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.16.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.4 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).