# CVE-2022-33736: Auth bypass in Opcenter Quality V13.1

> Unauthenticated attackers can bypass login to access the application or cause denial of service for existing users.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:** 12 Jul 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-m3xw-wjv6-wx6x

## What is CVE-2022-33736?

CVE-2022-33736 is a high-severity authentication bypass vulnerability in Siemens Opcenter Quality V13.1, published on 12 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability has been identified in Opcenter Quality V13.1 (All versions < V13.1.20220624), Opcenter Quality V13.2 (All versions < V13.2.20220624). The affected applications do not properly validate login information during authentication. This could lead to denial of service condition for existing users or allow unauthenticated remote attackers to successfully login without credentials.

Weakness: CWE-287 (Improper Authentication), CWE-303 (Incorrect Implementation of Authentication Algorithm)

## Which versions are affected by CVE-2022-33736?

It affects 1 product.


Products: Siemens Opcenter Quality.

## How do I fix CVE-2022-33736?

No fix has been published for CVE-2022-33736 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-33736 being exploited?

There is no known exploitation of CVE-2022-33736 in the wild and no public exploit code.

## Other vulnerabilities in Siemens Opcenter Quality V13.1

- [CVE-2021-27389](https://insights.sbomify.com/CVE-2021-27389/): Hardcoded credentials in Opcenter Quality (critical 9.8)
- [CVE-2024-41979](https://insights.sbomify.com/CVE-2024-41979/): Missing authorization in SOA Audit (high 7.5)
- [CVE-2023-46283](https://insights.sbomify.com/CVE-2023-46283/): Memory corruption in Opcenter Execution Foundation (high 7.5)
- [CVE-2023-46284](https://insights.sbomify.com/CVE-2023-46284/): Memory corruption in Opcenter Execution Foundation (high 7.5)
- [CVE-2023-46285](https://insights.sbomify.com/CVE-2023-46285/): Denial of service in Opcenter Execution Foundation (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-33736 and fix it if it is affected.

What it is: CVE-2022-33736 is a high-severity authentication bypass vulnerability in Siemens Opcenter Quality V13.1, published on 12 Jul 2022. 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-2022-33736 in the wild and no public exploit code.

Affected product: Siemens Opcenter Quality V13.1. 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-2022-33736/ (Markdown: https://insights.sbomify.com/CVE-2022-33736/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-33736
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-33736
- OSV: https://osv.dev/vulnerability/CVE-2022-33736

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-33736/
Summaries are generated and may contain mistakes; the official description above is the record.