What is CVE-2021-38590?

CVE-2021-38590 is a medium-severity vulnerability in Cpanel, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2021-08-11.

How severe is CVE-2021-38590?

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

Vulnerability in Cpanel

CVE-2021-38590

In cPanel before 96.0.8, weak permissions on web stats can lead to information disclosure (SEC-584).

Published 2021-08-11 · 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: 0.003 (16.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

docs.cpanel.net/changelogs/96-change-log/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38590?: CVE-2021-38590 is a medium-severity vulnerability in Cpanel, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2021-08-11.
How severe is CVE-2021-38590?: Medium severity. CVSS v3 base score is 5.5 out of 10.