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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (66.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.hashicorp.com/blog/category/consul (Product, Vendor Advisory)
- discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024 (Vendor Advisory)
- security.gentoo.org/glsa/202207-01 (vendor-advisory, Third Party Advisory)
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.