What is CVE-2022-3867?

CVE-2022-3867 is a low-severity vulnerability in Hashicorp Nomad, classified under Insufficient Session Expiration. CVSS score: 2.7/10. Published 2022-11-10.

How severe is CVE-2022-3867?

Low severity. CVSS v3 base score is 2.7 out of 10.

Vulnerability in Hashicorp Nomad

CVE-2022-3867

HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 event stream subscribers using a token with TTL receive updates until token garbage is collected. Fixed in 1.4.2.

Published 2022-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Hashicorp Nomad — versions 1.4.0, 1.4.1
Hashicorp Nomad Enterprise — versions 1.4.0, 1.4.1

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

discuss.hashicorp.com/t/hcsec-2022-26-nomad-s-event-stream-subscriber-using-acl… (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3867?: CVE-2022-3867 is a low-severity vulnerability in Hashicorp Nomad, classified under Insufficient Session Expiration. CVSS score: 2.7/10. Published 2022-11-10.
How severe is CVE-2022-3867?: Low severity. CVSS v3 base score is 2.7 out of 10.