What is CVE-2022-3920?

CVE-2022-3920 is a medium-severity vulnerability in Hashicorp Consul, classified under Missing Authorization. CVSS score: 5.3/10. Published 2022-11-16.

How severe is CVE-2022-3920?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Hashicorp Consul

CVE-2022-3920

HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.

Vulnerability class: Broken Access Control

Published 2022-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Hashicorp Consul — versions 1.13.0, 1.13.1, 1.13.2
Hashicorp Consul Enterprise — versions 1.13.0, 1.13.1, 1.13.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

discuss.hashicorp.com/t/hcsec-2022-28-consul-cluster-peering-leaks-imported-nod… (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3920?: CVE-2022-3920 is a medium-severity vulnerability in Hashicorp Consul, classified under Missing Authorization. CVSS score: 5.3/10. Published 2022-11-16.
How severe is CVE-2022-3920?: Medium severity. CVSS v3 base score is 5.3 out of 10.