What is the severity of CVE-2023-4739?

The severity of CVE-2023-4739 is critical (9.8).

What is the affected software of CVE-2023-4739?

The affected software of CVE-2023-4739 is Beijing Baichuo Smart S85F Management Platform up to version 20230820 on Smart.

What is the vulnerability type of CVE-2023-4739?

The vulnerability type of CVE-2023-4739 is unrestricted file upload.

How can the vulnerability in CVE-2023-4739 be exploited?

The vulnerability in CVE-2023-4739 can be exploited by manipulating the argument 1_file_upload in /sysmanage/updateos.php.

Where can I find more information about CVE-2023-4739?

You can find more information about CVE-2023-4739 on the following references: [GitHub](https://github.com/Meizhi-hua/cve/blob/main/upload_file.md), [VulDB](https://vuldb.com/?ctiid.238628), [VulDB](https://vuldb.com/?id.238628).

Vulnerability/
CVE-2023-4739

critical

9.8

CWE

434

3/9/2023

2/8/2024

CVE-2023-4739: Byzoro Smart S85F Management Platform updateos.php unrestricted upload

First published: Sun Sep 03 2023(Updated: )

A vulnerability, which was classified as critical, has been found in Beijing Baichuo Smart S85F Management Platform up to 20230820 on Smart. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload 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-238628. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Credit: cna@vuldb.com cna@vuldb.com

Affected Software	Affected Version	How to fix
Byzoro Smart S85f Firmware	<=20230820
Byzoro Smart S85F
All of
	<=20230820

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Frequently Asked Questions

What is the severity of CVE-2023-4739?
The severity of CVE-2023-4739 is critical (9.8).
What is the affected software of CVE-2023-4739?
The affected software of CVE-2023-4739 is Beijing Baichuo Smart S85F Management Platform up to version 20230820 on Smart.
What is the vulnerability type of CVE-2023-4739?
The vulnerability type of CVE-2023-4739 is unrestricted file upload.
How can the vulnerability in CVE-2023-4739 be exploited?
The vulnerability in CVE-2023-4739 can be exploited by manipulating the argument 1_file_upload in /sysmanage/updateos.php.
Where can I find more information about CVE-2023-4739?
You can find more information about CVE-2023-4739 on the following references: [GitHub](https://github.com/Meizhi-hua/cve/blob/main/upload_file.md), [VulDB](https://vuldb.com/?ctiid.238628), [VulDB](https://vuldb.com/?id.238628).

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agent/software-canonical-lookup-request
agent/tags
agent/last-modified-date
collector/nvd-api
source/NVD
vendor/byzoro
canonical/byzoro smart s85f firmware
version/byzoro smart s85f firmware/20230820
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