Vulnerability · Published Dec 7, 2023 · Assigned by VulDB
CVE-2023-6574Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload
Medium 6.3
In plain English
A medium-severity unrestricted file upload in Smart S20 from Byzoro. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Official description
A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. 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. VDB-247154 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- VDB-247154 | Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload vdb-entry, technical-description
- VDB-247154 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #241172 | Beijing Baizhuo Network Technology Co., Ltd Byzro Networks Smart S20 S20 security gateway intelligent management platform third-party-advisory
- https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md exploit, patch