What’s Vulnerable › Vulnerabilities

CVE-2023-6574: Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-07 · updated 2026-06-17
• Weakness: CWE-434

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

• Byzoro Smart S20: through 2023-11-20

References

• https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md
• https://vuldb.com/?ctiid.247154
• https://vuldb.com/?id.247154
• https://vuldb.com/?submit.241172
• https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md
• https://vuldb.com/?ctiid.247154
• https://vuldb.com/?id.247154
• https://vuldb.com/?submit.241172

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