What’s Vulnerable › Vulnerabilities

CVE-2024-3521: Byzoro Smart S80 Management Platform userattestation.php unrestricted upload

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-09 · updated 2026-06-17
• Weakness: CWE-434

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 products

• Byzoro Smart S80: before 20240317 — fixed in 20240317

How to fix

Upgrade to a fixed version: Byzoro Smart S80 20240317. Check the vendor advisory for mitigations.

References

• https://github.com/garboa/cve_3/blob/main/Upload2.md
• https://vuldb.com/?ctiid.259892
• https://vuldb.com/?id.259892
• https://vuldb.com/?submit.308509
• https://github.com/garboa/cve_3/blob/main/Upload2.md
• https://vuldb.com/?ctiid.259892
• https://vuldb.com/?id.259892
• https://vuldb.com/?submit.308509

Get alerted when CVE-2024-3521 or the next vulnerability affects your stack