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.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/hashicorp/consul/issues/5519
Scores
CVSS v3
7.4
EPSS
0.0018
EPSS Percentile
39.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-346
Status
published
Products (2)
hashicorp/consul
1.4.3
hashicorp/consul
0 - 1.4.4Go
Published
Mar 26, 2019
Tracked Since
Feb 18, 2026