# CVE-2023-46665: Improper Access Control in Sielco PolyEco1000

> An attacker can bypass authentication by modifying passwords in a POST request to gain administrative access to the Sielco PolyEco1000 device.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Oct 2023
- **Updated:** 16 Jan 2025
- **Also known as:** GHSA-cggm-fc75-c35c

## What is CVE-2023-46665?

CVE-2023-46665 is a critical authentication bypass vulnerability in Sielco  PolyEco1000, published on 26 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Sielco PolyEco1000 is vulnerable to an authentication bypass vulnerability due to an attacker modifying passwords in a POST request and gain unauthorized access to the affected device with administrative privileges.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2023-46665?

It affects 3 products.


Products: Sielco Polyeco1000 Firmware, Sielco Polyeco300 Firmware, Sielco Polyeco500 Firmware.

## How do I fix CVE-2023-46665?

No fix has been published for CVE-2023-46665 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-46665 being exploited?

There is no known exploitation of CVE-2023-46665 in the wild and no public exploit code.

## Other vulnerabilities in Sielco  PolyEco1000

- [CVE-2023-46661](https://insights.sbomify.com/CVE-2023-46661/): Improper Access Control in Sielco PolyEco1000 (critical 9.8)
- [CVE-2023-5754](https://insights.sbomify.com/CVE-2023-5754/): Improper Restriction of Excessive Authentication Attempts in Sielco PolyEco1000 (critical 9.1)
- [CVE-2023-0897](https://insights.sbomify.com/CVE-2023-0897/): Session FIxation in Sielco PolyEco1000 (high 8.8)
- [CVE-2023-46662](https://insights.sbomify.com/CVE-2023-46662/): Improper Access Control in Sielco PolyEco1000 (high 7.5)
- [CVE-2023-46663](https://insights.sbomify.com/CVE-2023-46663/): Improper Access Control in Sielco PolyEco1000 (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-46665 and fix it if it is affected.

What it is: CVE-2023-46665 is a critical authentication bypass vulnerability in Sielco  PolyEco1000, published on 26 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-2023-46665 in the wild and no public exploit code.

Affected product: Sielco  PolyEco1000. 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-2023-46665/ (Markdown: https://insights.sbomify.com/CVE-2023-46665/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-46665
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-46665
- OSV: https://osv.dev/vulnerability/CVE-2023-46665

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-46665/
Summaries are generated and may contain mistakes; the official description above is the record.