What is CVE-2018-21241?

CVE-2018-21241 is a high-severity vulnerability in Foxitsoftware Phantompdf, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2020-06-04.

How severe is CVE-2018-21241?

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

Vulnerability in Foxitsoftware Phantompdf

CVE-2018-21241

An issue was discovered in Foxit PhantomPDF before 8.3.6. It has an untrusted search path that allows a DLL to execute remote code.

Published 2020-06-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000

Affected products

Foxitsoftware Phantompdf

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

www.foxitsoftware.com/support/security-bulletins.php (Vendor Advisory)

Frequently asked questions

What is CVE-2018-21241?: CVE-2018-21241 is a high-severity vulnerability in Foxitsoftware Phantompdf, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2020-06-04.
How severe is CVE-2018-21241?: High severity. CVSS v3 base score is 7.8 out of 10.