CVE-2023-5493 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform web.php unrestricted upload

Medium 6.3 Published 10 Oct 2023 Updated 2 Aug 2024

Attackers can upload malicious files to the Byzoro Smart S45F gateway via an unrestricted upload vulnerability in web.php, potentially leading to remote code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-5493?

CVE-2023-5493 is a medium-severity vulnerability in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform, published on 10 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /useratte/web.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241645 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434

Which versions are affected by CVE-2023-5493?

It affects 1 product.

Products include Byzoro Smart S45f Firmware.

How do I fix CVE-2023-5493?

No fix has been published for CVE-2023-5493 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-5493 being exploited?

There is no known exploitation of CVE-2023-5493 in the wild and no public exploit code.

Sources

Also known as GHSA-cq5q-x34f-p7m4.