What is CVE-2017-18438?

CVE-2017-18438 is a medium-severity vulnerability in Cpanel, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.3/10. Published 2019-08-02.

How severe is CVE-2017-18438?

Medium severity. CVSS v3 base score is 6.3 out of 10.

XXE in Cpanel

CVE-2017-18438

cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).

Vulnerability class: XXE (XML External Entity)

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Cpanel
N/a — versions n/a

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
nvd@nist.gov (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18438?: CVE-2017-18438 is a medium-severity vulnerability in Cpanel, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.3/10. Published 2019-08-02.
How severe is CVE-2017-18438?: Medium severity. CVSS v3 base score is 6.3 out of 10.