HIGH
CVE-2023-3518
CWE-266Published: August 9, 2023· Updated: Jun 17, 2026
7.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2023-3518 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
hashicorp1 product(s)
consul
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (2)
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Quick Facts
CVE IDCVE-2023-3518
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-266
CISA KEVNo
Affected1 vendor(s)
PublishedAug 9, 2023
Related CVEs (CWE-266)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-3518 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.