# CVE-2023-5461: Delta Electronics WPLSoft Modbus cleartext transmission

> Attackers can intercept sensitive data transmitted in cleartext by Delta Electronics WPLSoft Modbus handler.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Oct 2023
- **Updated:** 19 Sep 2024
- **Also known as:** GHSA-hrxm-j6r2-2vgr

## What is CVE-2023-5461?

CVE-2023-5461 is a low-severity vulnerability in Delta Electronics WPLSoft, published on 9 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in Delta Electronics WPLSoft 2.51. It has been classified as problematic. Affected is an unknown function of the component Modbus Handler. The manipulation leads to cleartext transmission of sensitive information. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-241584. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information)

## Which versions are affected by CVE-2023-5461?

It affects 1 product.


Products: Deltaww Wplsoft.

## How do I fix CVE-2023-5461?

No fix has been published for CVE-2023-5461 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5461 being exploited?

There is no known exploitation of CVE-2023-5461 in the wild and no public exploit code.

## Other vulnerabilities in Delta Electronics WPLSoft

- [CVE-2018-7494](https://insights.sbomify.com/CVE-2018-7494/): Memory corruption in Delta Electronics WPLSoft (high 8.8)
- [CVE-2018-7507](https://insights.sbomify.com/CVE-2018-7507/): Memory corruption in Delta Electronics WPLSoft (high 8.8)
- [CVE-2018-7509](https://insights.sbomify.com/CVE-2018-7509/): Memory corruption in Delta Electronics WPLSoft (high 8.8)
- [CVE-2023-5130](https://insights.sbomify.com/CVE-2023-5130/): Delta Electronics WPLSoft Buffer-Overflow (high 8.2)
- [CVE-2023-5460](https://insights.sbomify.com/CVE-2023-5460/): Delta Electronics WPLSoft Modbus Data Packet heap-based overflow (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5461 and fix it if it is affected.

What it is: CVE-2023-5461 is a low-severity vulnerability in Delta Electronics WPLSoft, published on 9 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5461 in the wild and no public exploit code.

Affected product: Delta Electronics WPLSoft. 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-2023-5461/ (Markdown: https://insights.sbomify.com/CVE-2023-5461/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5461
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5461
- OSV: https://osv.dev/vulnerability/CVE-2023-5461

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5461/
Summaries are generated and may contain mistakes; the official description above is the record.