Vulnerability · Published Jul 17, 2021 · Assigned by mitre
CVE-2021-36213
High 7.5
In plain English
A high-severity security flaw in the github.com/hashicorp/consul package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.7%top 22.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp/consul | 1.10.1 | GHSA-8h2g-r292-j8xh |
| Go | github.com/hashicorp/consul | 1.10.1 | GO-2022-0895 |
| Ubuntu:22.04:LTS | consul | no fix listed | UBUNTU-CVE-2021-36213 |
Affected products (as reported)
References
- https://www.hashicorp.com/blog/category/consul x_refsource_MISC
- https://github.com/hashicorp/consul/releases/tag/v1.10.1 x_refsource_CONFIRM
- https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855 x_refsource_CONFIRM
- GLSA-202208-09 vendor-advisory, x_refsource_GENTOO