CVE-2019-9764

Published: Mar 26, 2019Modified: Jun 17, 2026

7.4

Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitability: 2.2 / Impact: 5.2

Source: NVD

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.

Affected (1)

Products: Hashicorp: Consul

Hashicorp

1 product

Consul

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Hashicorp Consul	Version 1.4.3

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (2)

https://github.com/hashicorp/consul/issues/5519

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/hashicorp/consul/issues/5519

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.