What is CVE-2017-18383?

CVE-2017-18383 is a high-severity vulnerability in Cpanel, classified under CWE-264. CVSS score: 7.8/10. Published 2019-08-02.

How severe is CVE-2017-18383?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Cpanel

CVE-2017-18383

cPanel before 68.0.15 writes home-directory backups to an incorrect location (SEC-309).

Published 2019-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-264

References

documentation.cpanel.net/display/CL/68+Change+Log (Product, Release Notes)
news.cpanel.com/cpanel-tsr-2017-0006-full-disclosure/ (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18383?: CVE-2017-18383 is a high-severity vulnerability in Cpanel, classified under CWE-264. CVSS score: 7.8/10. Published 2019-08-02.
How severe is CVE-2017-18383?: High severity. CVSS v3 base score is 7.8 out of 10.