# CVE-2024-1918: Byzoro Smart S42 Management Platform userattestation.php unrestricted upload

> Remote attackers can upload malicious files via the userattestation.php endpoint, potentially leading to code execution on the Byzoro Smart S42 Management Platform.

- **Severity:** Medium 4.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Feb 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-jpmx-v3pp-6rp5

## What is CVE-2024-1918?

CVE-2024-1918 is a medium-severity vulnerability in Byzoro Smart S42 Management Platform, published on 27 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability has been found in Byzoro Smart S42 Management Platform up to 20240219 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument hidwel leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-254839. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2024-1918?

It affects 1 product.


Products: Byzoro Smart S42 Management Platform.

## How do I fix CVE-2024-1918?

No fix has been published for CVE-2024-1918 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-1918 being exploited?

There is no known exploitation of CVE-2024-1918 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-1918 and fix it if it is affected.

What it is: CVE-2024-1918 is a medium-severity vulnerability in Byzoro Smart S42 Management Platform, published on 27 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-1918 in the wild and no public exploit code.

Affected product: Byzoro Smart S42 Management Platform. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-1918/ (Markdown: https://insights.sbomify.com/CVE-2024-1918/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-1918
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-1918
- OSV: https://osv.dev/vulnerability/CVE-2024-1918

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-1918/
Summaries are generated and may contain mistakes; the official description above is the record.