# CVE-2023-51761: Emerson Rosemount GC370XA, GC700XA, GC1500XA Improper Authentication

> Unauthenticated attackers with network access can bypass authentication to gain admin capabilities on Emerson Rosemount GC gas chromatographs.

- **Severity:** High 8.3 (`CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **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:** 9 Feb 2024
- **Updated:** 10 Jun 2025
- **Also known as:** GHSA-j2p9-482v-5wj6

## What is CVE-2023-51761?

CVE-2023-51761 is a high-severity authentication bypass vulnerability in Emerson Rosemount GC1500XA, published on 9 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

In Emerson Rosemount GC370XA, GC700XA, and GC1500XA products, an unauthenticated user with network access could bypass authentication and acquire admin capabilities.

Weakness: CWE-287 (Improper Authentication), CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2023-51761?

It affects 3 products.


Products: Emerson Gc1500xa Firmware, Emerson Gc370xa Firmware, Emerson Gc700xa Firmware.

## How do I fix CVE-2023-51761?

No fix has been published for CVE-2023-51761 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-51761 being exploited?

There is no known exploitation of CVE-2023-51761 in the wild and no public exploit code.

## Other vulnerabilities in Emerson Rosemount GC1500XA

- [CVE-2023-46687](https://insights.sbomify.com/CVE-2023-46687/): Emerson Rosemount GC370XA, GC700XA, GC1500XA Command Injection (critical 9.8)
- [CVE-2023-43609](https://insights.sbomify.com/CVE-2023-43609/): Emerson Rosemount GC370XA, GC700XA, GC1500XA Improper Authorization (medium 6.9)
- [CVE-2023-49716](https://insights.sbomify.com/CVE-2023-49716/): Emerson Rosemount GC370XA, GC700XA, GC1500XA Command Injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-51761 and fix it if it is affected.

What it is: CVE-2023-51761 is a high-severity authentication bypass vulnerability in Emerson Rosemount GC1500XA, published on 9 Feb 2024. 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-2023-51761 in the wild and no public exploit code.

Affected product: Emerson Rosemount GC1500XA. 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-2023-51761/ (Markdown: https://insights.sbomify.com/CVE-2023-51761/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-51761
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-51761
- OSV: https://osv.dev/vulnerability/CVE-2023-51761

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-51761/
Summaries are generated and may contain mistakes; the official description above is the record.