CVE-2021-36213
HashiCorp Consul L7 deny intention results in an allow action in github.com/hashicorp/consul
7.5
HIGH
CVSS 3.1
EPSS 0.77%
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.
How to fix CVE-2021-36213
To remediate CVE-2021-36213, upgrade the affected package to a fixed version below.
- —upgrade to 1.9.8 or later
- —upgrade to 1.10.1 or later
- —upgrade to 1.10.1 or later
Is CVE-2021-36213 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 1.9.0, < 1.9.8, >= 1.10.0, < 1.10.1
- from 0, < 1.10.1
- from 0, < 1.10.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |