CVE-2020-7864: Raonwiz DEXT5 Editor File upload and Execution vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-15 · updated 2026-06-17
Weakness: CWE-434

Description

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.

Affected products

Raonwiz DEXT5Editor: before 3.5.1405747.1100.03 — fixed in 3.5.1405747.1100.03

How to fix

Upgrade to a fixed version: Raonwiz DEXT5Editor 3.5.1405747.1100.03. Check the vendor advisory for mitigations.

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36085
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36085

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