A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is an unknown code block of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. The manipulation of the argument 1_file_upload with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The weakness was shared 12/07/2023. The advisory is available at github.com. This vulnerability is handled as CVE-2023-6574. Technical details as well as a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:sysmanage/updateos.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-238628, VDB-240240 and VDB-240243 are related to this item.

Productinfo

Vendor

• Byzoro

Name

• Smart S20

Version

• 20231120

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Accepted

• Submit #241172: Beijing Baizhuo Network Technology Co., Ltd Byzro Networks Smart S20 S20 security gateway intelligent management platform (by Mirai)

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