CVE-2020-7864: Parameter manipulation can bypass authentication to cause file upload and execution

Q: How do I fix CVE-2020-7864?

dext5 editor: upgrade to 3.5.1405747.1100.03. Exact commands for each OS are on this page.

Q: Is CVE-2020-7864 being exploited?

CVE-2020-7864 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7864 affect?

CVE-2020-7864 affects dext5 editor. Severity is high (CVSS 7.8). 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.

This month

HIGH 7.8UPGRADE

CVE-2020-7864 is a high-severity flaw (CVSS 7.8) affecting dext5 editor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-434
Published	2021-06-15
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: dext5

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-06-15 20:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

dext5 dext5 editor UPGRADE

Affected: < 3.5.1405747.1100.03

Fixed in: 3.5.1405747.1100.03

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dext5-editor || rpm -q dext5-editor || dext5-editor --version

2. UPGRADE to 3.5.1405747.1100.03 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dext5-editor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dext5-editor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7864?

dext5 editor: upgrade to 3.5.1405747.1100.03. Exact commands for each OS are on this page.

Is CVE-2020-7864 being exploited?

CVE-2020-7864 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7864 affect?

CVE-2020-7864 affects dext5 editor. Severity is high (CVSS 7.8). 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.

How urgent is CVE-2020-7864?

Priority 43/100. High severity

References

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