VulnerabilityModified
CVE-2019-9764
HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication.
HIGH 7.4EPSS 0.60%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.4 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- hashicorp/consul
- Source
- cve@mitre.org
References
- https://github.com/hashicorp/consul/issues/5519Exploit, Third Party Advisory
- https://github.com/hashicorp/consul/issues/5519Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.