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CVE-2023-3518

HIGH
Published 2023-08-09T15:06:52.406Z
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CVSS Score

V3.1
7.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.385
Higher than 38.5% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

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.

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (HIGH) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

hashicorp
consul enterprise

ENISA Scoring

CVSS Score (3.1)

7.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS Score

0.170
probability

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Consul JWT Auth in L7 Intentions Allow for Mismatched Service Identity and JWT Providers

GHSA-9rhf-q362-77mx

Advisory Details

A vulnerability was identified in Consul such that using JWT authentication for service mesh incorrectly allows/denies access regardless of service identities. This vulnerability, CVE-2023-3518, affects Consul 1.16.0 and was fixed in 1.16.1.

Affected Packages

Go github.com/hashicorp/consul
ECOSYSTEM: ≥1.16.0 <1.16.1

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

Advisory provided by GitHub Security Advisory Database. Published: August 9, 2023, Modified: April 1, 2024

References

Published: 2023-08-09T15:06:52.406Z
Last Modified: 2024-10-08T14:56:28.934Z
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