CVE-2021-37219
HIGH8.8EPSS 0.43%HashiCorp Consul Privilege Escalation Vulnerability
Published: 9/8/2021Modified: 4/3/2025
Description
HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.
Affected packages (4)
- Bitnami/consulfrom 0, < 1.8.15, >= 1.9.0, < 1.9.9, >= 1.10.0, < 1.10.2
- Debian/consulfrom 0
- Go/github.com/hashicorp/consul>= 1.10.1, < 1.10.2
- Go/github.com/hashicorp/consulfrom 0, < 1.8.15, >= 1.9.0, < 1.9.9, >= 1.10.1, < 1.10.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References (11)
- ADVISORYhttps://github.com/advisories/GHSA-ccw8-7688-vqx4
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-37219
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-37219
- PATCHhttps://github.com/hashicorp/consul
- WEBhttps://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024
- WEBhttps://github.com/hashicorp/consul/commit/3357e57dac9aadabd476f7a14973e47f003c4cf0
- WEBhttps://github.com/hashicorp/consul/commit/473edd1764b6739e2e4610ea5dede4c2bc6009d1
- WEBhttps://github.com/hashicorp/consul/commit/ccf8eb1947357434eb6e66303ddab79f4c9d4103
- WEBhttps://github.com/hashicorp/consul/pull/10925
- WEBhttps://security.gentoo.org/glsa/202207-01
- WEBhttps://www.hashicorp.com/blog/category/consul