What is CVE-2019-9764?

CVE-2019-9764 is a high-severity vulnerability in Hashicorp Consul, classified under Origin Validation Error. CVSS score: 7.4/10. Published 2019-03-26.

How severe is CVE-2019-9764?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Hashicorp Consul

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 actually set to true. This is fixed in 1.4…

EPSS: 0.006 (45.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Hashicorp Consul — versions 1.4.3
N/a — versions n/a

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-9764?: CVE-2019-9764 is a high-severity vulnerability in Hashicorp Consul, classified under Origin Validation Error. CVSS score: 7.4/10. Published 2019-03-26.
How severe is CVE-2019-9764?: High severity. CVSS v3 base score is 7.4 out of 10.