# CVE-2023-34353: Auth bypass in OAS Platform

> An attacker can sniff network traffic to decrypt sensitive information and bypass authentication in the OAS Platform.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:** 5 Sep 2023
- **Updated:** 13 Feb 2025
- **Also known as:** GHSA-gwcv-7xq5-34jj

## What is CVE-2023-34353?

CVE-2023-34353 is a high-severity authentication bypass vulnerability in Open Automation Software OAS Platform, published on 5 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A specially crafted network sniffing can lead to decryption of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.

Weakness: CWE-330 (Use of Insufficiently Random Values)

## Which versions are affected by CVE-2023-34353?

It affects 1 product.


Products: Openautomationsoftware Oas Platform.

## How do I fix CVE-2023-34353?

No fix has been published for CVE-2023-34353 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34353 being exploited?

There is no known exploitation of CVE-2023-34353 in the wild and no public exploit code.

## Other vulnerabilities in Open Automation Software OAS Platform

- [CVE-2022-26833](https://insights.sbomify.com/CVE-2022-26833/): Auth bypass in OAS Platform (critical 9.4)
- [CVE-2022-26082](https://insights.sbomify.com/CVE-2022-26082/): File upload in OAS Platform (critical 9.1)
- [CVE-2023-31242](https://insights.sbomify.com/CVE-2023-31242/): Auth bypass in OAS Platform (high 8.1)
- [CVE-2023-34998](https://insights.sbomify.com/CVE-2023-34998/): Auth bypass in OAS Platform (high 8.1)
- [CVE-2022-26026](https://insights.sbomify.com/CVE-2022-26026/): Denial of service in OAS Platform (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34353 and fix it if it is affected.

What it is: CVE-2023-34353 is a high-severity authentication bypass vulnerability in Open Automation Software OAS Platform, published on 5 Sep 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-2023-34353 in the wild and no public exploit code.

Affected product: Open Automation Software OAS Platform. 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-2023-34353/ (Markdown: https://insights.sbomify.com/CVE-2023-34353/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34353
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34353
- OSV: https://osv.dev/vulnerability/CVE-2023-34353

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34353/
Summaries are generated and may contain mistakes; the official description above is the record.