Vulnerability in Hashicorp Consul
CVE-2021-36213
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
References
- www.hashicorp.com/blog/category/consul (Product, Vendor Advisory)
- github.com/hashicorp/consul/releases/tag/v1.10.1 (Third Party Advisory, Release Notes)
- discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-den… (Vendor Advisory)
- security.gentoo.org/glsa/202208-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36213?
- CVE-2021-36213 is a high-severity vulnerability in Hashicorp Consul. CVSS score: 7.5/10. Published 2021-07-17.
- How severe is CVE-2021-36213?
- High severity. CVSS v3 base score is 7.5 out of 10.