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CVE-2024-1918— Byzoro Smart S42 Management Platform userattestation.php unrestricted upload

Quick assessment

Affected
Byzoro Smart S42 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.

Beijing Baichuo Smart S42是中国北京百卓（Beijing Baichuo）公司的一款上网行为管理设备。 Beijing Baichuo Smart S42 Management Platform 20240219及之前版本存在代码问题漏洞，该漏洞源于/useratte/userattestation.php 中包含未知函数，通过 hidwel 参数导致不受限制的上传。

CVSS 4.7 · Medium EPSS 2.33% · P83
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I. Basic Information for CVE-2024-1918

Vulnerability Information
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Vulnerability Title
Byzoro Smart S42 Management Platform userattestation.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Byzoro Smart S42 Management Platform up to 20240219 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument hidwel leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-254839. 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
Beijing Baichuo Smart S42 Management Platform 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Beijing Baichuo Smart S42是中国北京百卓（Beijing Baichuo）公司的一款上网行为管理设备。 Beijing Baichuo Smart S42 Management Platform 20240219及之前版本存在代码问题漏洞，该漏洞源于/useratte/userattestation.php 中包含未知函数，通过 hidwel 参数导致不受限制的上传。
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 S42 Management Platform 20240219 -

II. Public POCs for CVE-2024-1918

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III. Intelligence Information for CVE-2024-1918

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Vendor Advisories for CVE-2024-1918 (3)

Other References for CVE-2024-1918 (1)

IV. Related Vulnerabilities

Same vendor: Byzoro
Same weakness: CWE-434

V. Comments for CVE-2024-1918

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