# CVE-2023-37857: PHOENIX CONTACT: Use of Hard-coded Credentials in WP 6xxx Web panels

> An authenticated admin can read hardcoded keys to forge session cookies, though these cookies do not grant full access.

- **Severity:** Low 3.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/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:** 9 Aug 2023
- **Updated:** 8 Oct 2024
- **Also known as:** GHSA-rq33-29r2-6jr3

## What is CVE-2023-37857?

CVE-2023-37857 is a low-severity vulnerability in PHOENIX CONTACT WP 6070-WVPS, published on 9 Aug 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies.  These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2023-37857?

It affects 6 products.


Products: Phoenixcontact Wp 6070-Wvps Firmware, Phoenixcontact Wp 6101-Wxps Firmware, Phoenixcontact Wp 6121-Wxps Firmware, Phoenixcontact Wp 6156-Whps Firmware, Phoenixcontact Wp 6185-Whps Firmware, Phoenixcontact Wp 6215-Whps Firmware.

## How do I fix CVE-2023-37857?

No fix has been published for CVE-2023-37857 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-37857 being exploited?

There is no known exploitation of CVE-2023-37857 in the wild and no public exploit code.

## Other vulnerabilities in PHOENIX CONTACT WP 6070-WVPS

- [CVE-2023-3572](https://insights.sbomify.com/CVE-2023-3572/): PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels (critical 10.0)
- [CVE-2023-37861](https://insights.sbomify.com/CVE-2023-37861/): PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels (high 8.8)
- [CVE-2023-3570](https://insights.sbomify.com/CVE-2023-3570/): PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels (high 8.8)
- [CVE-2023-3571](https://insights.sbomify.com/CVE-2023-3571/): PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels (high 8.8)
- [CVE-2023-3573](https://insights.sbomify.com/CVE-2023-3573/): PHOENIX CONTACT: Command Injection in WP 6xxx Web panels (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-37857 and fix it if it is affected.

What it is: CVE-2023-37857 is a low-severity vulnerability in PHOENIX CONTACT WP 6070-WVPS, published on 9 Aug 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-37857 in the wild and no public exploit code.

Affected product: PHOENIX CONTACT WP 6070-WVPS. 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-2023-37857/ (Markdown: https://insights.sbomify.com/CVE-2023-37857/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-37857
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-37857
- OSV: https://osv.dev/vulnerability/CVE-2023-37857

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-37857/
Summaries are generated and may contain mistakes; the official description above is the record.