Detections
Analytics

CVE-2021-36213

high

Description

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

References

https://security.gentoo.org/glsa/202208-09

https://github.com/hashicorp/consul/releases/tag/v1.10.1

https://github.com/advisories/GHSA-8h2g-r292-j8xh

https://www.hashicorp.com/blog/category/consul

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1451

https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855

Details

Source: Mitre, NVD

Published: 2021-07-17

Updated: 2026-06-17

Named Vulnerability: GO-2022-0895Named Vulnerability: GHSA-8h2g-r292-j8xh

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.01685