# CVE-2023-36857: Baker Hughes Bently Nevada 3500 System Authentication Bypass by Capture-replay

> An attacker can replay captured network traffic to bypass authentication and gain unauthorized access to the Bently Nevada 3500 System.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Oct 2023
- **Updated:** 16 Jan 2025
- **Also known as:** GHSA-p42g-23f7-4prj

## What is CVE-2023-36857?

CVE-2023-36857 is a medium-severity authentication bypass vulnerability in Baker Hughes - Bently Nevada Bently Nevada 3500 System, published on 18 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Baker Hughes – Bently Nevada 3500 System TDI Firmware version 5.05

 contains a replay vulnerability which could allow an attacker to 

replay older captured packets of traffic to the device to gain access.

Weakness: CWE-294 (Authentication Bypass by Capture-replay)

## Which versions are affected by CVE-2023-36857?

It affects 1 product.


Products: Bakerhughes Bentley Nevada 3500 System Firmware.

## How do I fix CVE-2023-36857?

No fix has been published for CVE-2023-36857 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-36857 being exploited?

There is no known exploitation of CVE-2023-36857 in the wild and no public exploit code.

## Other vulnerabilities in Baker Hughes - Bently Nevada Bently Nevada 3500 System

- [CVE-2023-34437](https://insights.sbomify.com/CVE-2023-34437/): Baker Hughes Bently Nevada 3500 System Incorrect Permission Assignment for Critical Resource (high 7.5)
- [CVE-2023-34441](https://insights.sbomify.com/CVE-2023-34441/): Baker Hughes Bently Nevada 3500 System Cleartext Transmission of Sensitive Information (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-36857 and fix it if it is affected.

What it is: CVE-2023-36857 is a medium-severity authentication bypass vulnerability in Baker Hughes - Bently Nevada Bently Nevada 3500 System, published on 18 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-36857 in the wild and no public exploit code.

Affected product: Baker Hughes - Bently Nevada Bently Nevada 3500 System. 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-2023-36857/ (Markdown: https://insights.sbomify.com/CVE-2023-36857/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-36857
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-36857
- OSV: https://osv.dev/vulnerability/CVE-2023-36857

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-36857/
Summaries are generated and may contain mistakes; the official description above is the record.