What is CVE-2021-38379?

CVE-2021-38379 is a medium-severity vulnerability in Northern.tech Cfengine, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2021-10-27.

How severe is CVE-2021-38379?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Northern.tech Cfengine

CVE-2021-38379

The Hub in CFEngine Enterprise 3.6.7 through 3.18.0 has Insecure Permissions that allow local Information Disclosure.

Published 2021-10-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Northern.tech Cfengine

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

docs.cfengine.com/docs/3.18/enterprise-cfengine-guide.html (Vendor Advisory)
cfengine.com/blog/2021/cve-2021-38379-and-cve-2021-36756/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-38379?: CVE-2021-38379 is a medium-severity vulnerability in Northern.tech Cfengine, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2021-10-27.
How severe is CVE-2021-38379?: Medium severity. CVSS v3 base score is 5.5 out of 10.