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CVE-2023-3518

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

HIGH
7.3
CVSS Score
Published: August 9, 2023 at 03:06 PM UTC
Updated: June 17, 2026 at 06:14 AM UTC
1 product affected across 1 vendorConsul

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-266NVD-CWE-Other

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