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CVE-2023-6574
Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload
Medium6.3EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
References (4)
- VDB-247154 | Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload (opens in a new tab)vdb-entrytechnical-descriptionx_transferred
- VDB-247154 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-requiredx_transferred
- Submit #241172 | Beijing Baizhuo Network Technology Co., Ltd Byzro Networks Smart S20 S20 security gateway intelligent management platform (opens in a new tab)third-party-advisoryx_transferred
- https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md (opens in a new tab)exploitpatchx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-6574)Record last updated .