Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Byzoro | Smart S20 | 20231120 | — | No fix listed | CNA |
- Smart S20 VendorByzoro Affected 20231120 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6574
- 2026-10-03 Alias added: GHSA-wjp2-7h9f-2jxg
References
More Byzoro Smart S20 Firmware vulnerabilities
- TI-2024-01168 Byzoro Smart S20 Management Platform sysmanageajax.php sql injection CVSS 3.1HIGH 7.2
Sources
- CVE-2023-6574 · CVE Program
- CVE-2023-6574 · NVD
- FIRST EPSS
- GHSA-wjp2-7h9f-2jxg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences