Vulnerability in Hashicorp Consul

CVE-2021-37219

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-37219?
CVE-2021-37219 is a high-severity vulnerability in Hashicorp Consul, classified under Improper Certificate Validation. CVSS score: 8.8/10. Published 2021-09-07.
How severe is CVE-2021-37219?
High severity. CVSS v3 base score is 8.8 out of 10.