1. Home
  2. CVE Database
  3. CVE-2019-9764
HIGH · 7.4

CVE-2019-9764

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 actu...

Vulnerability Description

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.

CVSS Score

7.4

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
HashicorpConsul1.4.3

Related Weaknesses (CWE)

CWE-346

References

FAQ

What is CVE-2019-9764?

CVE-2019-9764 is a vulnerability with a CVSS score of 7.4 (HIGH). 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 actu...

How severe is CVE-2019-9764?

CVE-2019-9764 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-9764?

Check the references section above for vendor advisories and patch information. Affected products include: Hashicorp Consul.