What is CVE-2017-18399?

CVE-2017-18399 is a low-severity vulnerability in Cpanel, classified under CWE-264. CVSS score: 3.7/10. Published 2019-08-02.

How severe is CVE-2017-18399?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Cpanel

CVE-2017-18399

cPanel before 68.0.15 allows attackers to read root's crontab file during a short time interval upon enabling or disabling sqloptimizer (SEC-332).

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

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · 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-2017-18399?: CVE-2017-18399 is a low-severity vulnerability in Cpanel, classified under CWE-264. CVSS score: 3.7/10. Published 2019-08-02.
How severe is CVE-2017-18399?: Low severity. CVSS v3 base score is 3.7 out of 10.