CVE-2023-4739

Public Exploit
Byzoro Smart S85F Management Platform updateos.php unrestricted upload

Description

A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. 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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: Byzoro Smart S85F Management Platform
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.238628 third party advisory vdb entry permissions required technical description
https://vuldb.com/?ctiid.238628 signature third party advisory vdb entry permissions required
https://vuldb.com/?submit.197572 third party advisory
https://github.com/Meizhi-hua/cve/blob/main/upload_file.md exploit

Frequently Asked Questions

What is the severity of CVE-2023-4739?
CVE-2023-4739 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4739?
To fix CVE-2023-4739, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4739 being actively exploited in the wild?
It is possible that CVE-2023-4739 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4739?
CVE-2023-4739 affects Byzoro Smart S85F Management Platform.
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