# CVE-2023-3836: Dahua Smart Park Management unrestricted upload

> Attackers can upload malicious files to Dahua Smart Park Management, potentially leading to remote code execution.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Jul 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-v896-jp39-6pqh

## What is CVE-2023-3836?

CVE-2023-3836 is a medium-severity vulnerability in Dahua Smart Park Management, published on 22 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical was found in Dahua Smart Park Management up to 20230713. This vulnerability affects unknown code of the file /emap/devicePoint_addImgIco?hasSubsystem=true. The manipulation of the argument upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-235162 is the identifier assigned to this vulnerability. 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-2023-3836?

It affects 1 product.


Products: Dahuasecurity Smart Parking Management.

## How do I fix CVE-2023-3836?

No fix has been published for CVE-2023-3836 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3836 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3836 exists.

Public exploit code:

- 大华智慧园区综合管理平台publishing文件上传 (github_poc): https://github.com/zh-byte/CVE-2023-3836
- Dahua Smart Park Management - Arbitrary File Upload (nuclei): http/cves/2023/CVE-2023-3836.yaml

## Other vulnerabilities in Dahua Smart Park Management

- [CVE-2023-3121](https://insights.sbomify.com/CVE-2023-3121/): Dahua Smart Parking Management image server-side request forgery (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3836 and fix it if it is affected.

What it is: CVE-2023-3836 is a medium-severity vulnerability in Dahua Smart Park Management, published on 22 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3836 exists.

Affected product: Dahua Smart Park Management. 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-2023-3836/ (Markdown: https://insights.sbomify.com/CVE-2023-3836/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3836
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3836
- OSV: https://osv.dev/vulnerability/CVE-2023-3836

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3836/
Summaries are generated and may contain mistakes; the official description above is the record.