What is CVE-2021-38586?

CVE-2021-38586 is a medium-severity vulnerability in Cpanel. CVSS score: 4.4/10. Published 2021-08-11.

How severe is CVE-2021-38586?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Cpanel

CVE-2021-38586

In cPanel before 98.0.1, /scripts/cpan_config performs unsafe operations on files (SEC-589).

Published 2021-08-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% 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

Cpanel

References

docs.cpanel.net/changelogs/98-change-log/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38586?: CVE-2021-38586 is a medium-severity vulnerability in Cpanel. CVSS score: 4.4/10. Published 2021-08-11.
How severe is CVE-2021-38586?: Medium severity. CVSS v3 base score is 4.4 out of 10.