Home/CVE/HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the prod
CVE

CVE-2019-9764

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the prod

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verify_server_hostname were set to false, even when it is actually set to true. This is fixed in 1.4.4.

HIGH · CVSS 7.4 EPSS 0.00183
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-346Origin Validation Error
▤

Affected Products & Versions

1
hashicorp consulall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/consul HIGH fixed in 1.4.4
⚠

Public Exploits & PoCs

1
pocgithub.com · 5519github.com
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Scoring & Timeline

7.4
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Mar 2019 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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