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 1.4.4.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
hashicorpconsul
1.4.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
consul
bullseye
1.8.7+dfsg1-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
consul
noble
dne
mantic
not-affected
lunar
dne
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
bionic
needs-triage
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://github.com/hashicorp/consul/issues/5519
https://github.com/hashicorp/consul/issues/5519