# CVE-2023-28824: Server-side request forgery in CONPROSYS HMI System (CHS)

> An authenticated administrator can bypass database restrictions to connect to unintended databases via server-side request forgery in CONPROSYS HMI System.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jun 2023
- **Updated:** 9 Jan 2025
- **Also known as:** GHSA-hr86-jc68-fqcr

## What is CVE-2023-28824?

CVE-2023-28824 is a medium-severity server-side request forgery vulnerability in Contec Co., Ltd. CONPROSYS HMI System (CHS), published on 1 Jun 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Server-side request forgery vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user who can access the affected product with an administrative privilege may bypass the database restriction set on the query setting page, and connect to a user unintended database.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2023-28824?

It affects 1 product.


Products: Contec Conprosys Hmi System.

## How do I fix CVE-2023-28824?

No fix has been published for CVE-2023-28824 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28824 being exploited?

There is no known exploitation of CVE-2023-28824 in the wild and no public exploit code.

## Other vulnerabilities in Contec Co., Ltd. CONPROSYS HMI System (CHS)

- [CVE-2022-44456](https://insights.sbomify.com/CVE-2022-44456/): Command injection in CONPROSYS HMI System (CHS) (critical 9.8)
- [CVE-2023-28657](https://insights.sbomify.com/CVE-2023-28657/): Privilege escalation in CONPROSYS HMI System (CHS) (high 8.8)
- [CVE-2023-28713](https://insights.sbomify.com/CVE-2023-28713/): Information disclosure in CONPROSYS HMI System (CHS) (high 8.1)
- [CVE-2023-28399](https://insights.sbomify.com/CVE-2023-28399/): Missing authorization in CONPROSYS HMI System (CHS) (high 7.8)
- [CVE-2023-22331](https://insights.sbomify.com/CVE-2023-22331/): Hardcoded credentials in CONPROSYS HMI System (CHS) (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28824 and fix it if it is affected.

What it is: CVE-2023-28824 is a medium-severity server-side request forgery vulnerability in Contec Co., Ltd. CONPROSYS HMI System (CHS), published on 1 Jun 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28824 in the wild and no public exploit code.

Affected product: Contec Co., Ltd. CONPROSYS HMI System (CHS). 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-2023-28824/ (Markdown: https://insights.sbomify.com/CVE-2023-28824/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28824
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28824
- OSV: https://osv.dev/vulnerability/CVE-2023-28824

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-28824/
Summaries are generated and may contain mistakes; the official description above is the record.