vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2024-3521

Byzoro Smart S80 Management Platform userattestation.php unrestricted upload

MEDIUM
4.7
CVSS Score
Published: April 9, 2024 at 10:31 PM UTC
Updated: June 17, 2026 at 07:44 AM UTC
1 product affected across 1 vendorSmart S80

Using Smart S80 Management Platform by Byzoro?

Get instant alerts when new vulnerabilities affect Smart S80 Management Platform - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.7
Exploit prediction
EPSS 1%
SSVC
PoC

Description

A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Smart S80· Byzoro
60%
v < 2024031720240317
Affected range stops below 20240317, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Exploit
Source: [email protected]
https://github.com/garboa/cve_3/blob/main/Upload2.md
SignaturePermissions Required
Source: [email protected]
https://vuldb.com/?ctiid.259892
VDB EntryTechnical Description
Source: [email protected]
https://vuldb.com/?id.259892
Third Party Advisory
Source: [email protected]
https://vuldb.com/?submit.308509

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card