PT-2024-26380 · Byzoro · Byzoro Smart S80 Management Platform

Guo Jiabao · Published 2024-04-09 · Updated 2025-08-15 · CVE-2024-3521

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:L/Au:M/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Byzoro Smart S80 Management Platform versions up to 20240317

Description A critical issue affects some unknown functionality of the file /useratte/userattestation.php. The manipulation of the web img argument leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond.

Recommendations For Byzoro Smart S80 Management Platform versions up to 20240317, as a temporary workaround, consider restricting access to the /useratte/userattestation.php file until a patch is available. Avoid using the web img argument in the affected file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2024-3521

Affected Products

Byzoro Smart S80 Management Platform

References · 8

• 🔥 https://github.com/garboa/cve_3/blob/main/Upload2.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-3521 · Security Note
• https://vuldb.com/?id.259892 · Note
• https://vuldb.com/?ctiid.259892 · Note
• https://vuldb.com/?submit.308509 · Note
• https://t.me/cvenotify/76259 · Telegram Post
• https://twitter.com/dailycve/status/1956434547085570252 · Twitter Post
• https://twitter.com/CVEnew/status/1777891014809899171 · Twitter Post