CVE-2024-3804Public exploitNetwork attack vector

Authenticated arbitrary file upload via missing type validation

Published Apr 15, 2024 · Updated Aug 1, 2024

Unrestricted file upload in VEsystem Cloud Desktop 20240408 allows remote authenticated users to write files through fileupload2.php. The handler accepts the file argument without enforcing an allowed type before storing the uploaded content. Low-privileged access to the upload endpoint is required, and stored dangerous files can compromise data or interrupt the service.

CVSS severity6.3
Medium
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in VEsystem Cloud Desktop 20240408 allows remote authenticated users to write files through fileupload2.php. The handler accepts the file argument without enforcing an allowed type before storing the uploaded content. Low-privileged access to the upload endpoint is required, and stored dangerous files can compromise data or interrupt the service.

The record

CVE
CVE-2024-3804
Published
Apr 15, 2024
Updated
Aug 1, 2024
Vendor
VEsystem
Product
Cloud Desktop
Classifications
CWE-434, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=20240408

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

VEsystem · Cloud Desktopversion=20240408

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

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Technologies

Your stack

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Your stack

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