What is CVE-2018-20945?

CVE-2018-20945 is a medium-severity vulnerability in Cpanel, classified under Improper Authorization. CVSS score: 5.7/10. Published 2019-08-01.

How severe is CVE-2018-20945?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Auth bypass in Cpanel

CVE-2018-20945

bin/csvprocess in cPanel before 68.0.27 allows insecure file operations (SEC-354).

Published 2019-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

documentation.cpanel.net/display/CL/68+Change+Log (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20945?: CVE-2018-20945 is a medium-severity vulnerability in Cpanel, classified under Improper Authorization. CVSS score: 5.7/10. Published 2019-08-01.
How severe is CVE-2018-20945?: Medium severity. CVSS v3 base score is 5.7 out of 10.