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

Quick assessment

Affected
Byzoro Smart S80 Management Platform
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Byzro Networks Smart S80是百卓网络（Byzro Networks）公司的一款上网行为管理产品。 Byzoro Smart S80 Management Platform 20240317及之前版本存在代码问题漏洞，该漏洞源于/useratte/userattestation.php 中包含一些未知函数，通过参数 web_img 导致上传不受限制。

CVSS 4.7 · Medium EPSS 1.24% · P68
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I. Basic Information for CVE-2024-3521

Vulnerability Information
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Vulnerability Title
Byzoro Smart S80 Management Platform userattestation.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Byzro Networks Smart S80 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Byzro Networks Smart S80是百卓网络（Byzro Networks）公司的一款上网行为管理产品。 Byzoro Smart S80 Management Platform 20240317及之前版本存在代码问题漏洞，该漏洞源于/useratte/userattestation.php 中包含一些未知函数，通过参数 web_img 导致上传不受限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Byzoro Smart S80 Management Platform 20240317 -

II. Public POCs for CVE-2024-3521

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III. Intelligence Information for CVE-2024-3521

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Vendor Advisories for CVE-2024-3521 (2)

Other References for CVE-2024-3521 (1)

IV. Related Vulnerabilities

Same product: Smart S80 Management Platform
Same vendor: Byzoro
Same weakness: CWE-434

V. Comments for CVE-2024-3521

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