What is CVE-2020-7864?

CVE-2020-7864 is a high-severity vulnerability in Dext5 Editor, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-06-15.

How severe is CVE-2020-7864?

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

Arbitrary file upload in Dext5 Editor

CVE-2020-7864

Parameter manipulation can bypass authentication to cause file upload and execution. This will execute the remote code. This issue affects: Raonwiz DEXT5Editor versions prior to 3.5.1405747.1100.03.

Vulnerability class: Unrestricted File Upload

Published 2021-06-15 · 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: 0.010 (59.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Dext5 Editor
Raonwiz Dext5editor — versions unspecified

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.krcert.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2020-7864?: CVE-2020-7864 is a high-severity vulnerability in Dext5 Editor, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-06-15.
How severe is CVE-2020-7864?: High severity. CVSS v3 base score is 7.8 out of 10.