# CVE-2021-27600: Cross-site scripting in SAP Manufacturing Execution (System Rules)

> An authorized attacker can inject malicious scripts into HTTP parameters, leading to stored XSS that allows reading and modifying data.

- **Severity:** Medium 6.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Apr 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-4pr6-x3xw-vrm6

## What is CVE-2021-27600?

CVE-2021-27600 is a medium-severity cross-site scripting vulnerability in SAP Manufacturing Execution (System Rules), published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

SAP Manufacturing Execution (System Rules), versions - 15.1, 15.2, 15.3, 15.4, allows an authorized attacker to embed malicious code into HTTP parameter and send it to the server because SAP Manufacturing Execution (System Rules) tab does not sufficiently encode some parameters, resulting in Stored Cross-Site Scripting (XSS) vulnerability. The malicious code can be used for different purposes. e.g., information can be read, modified, and sent to the attacker. However, availability of the server cannot be impacted.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-27600?

It affects 1 product.


Products: Sap Manufacturing Execution.

## How do I fix CVE-2021-27600?

No fix has been published for CVE-2021-27600 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-27600 being exploited?

There is no known exploitation of CVE-2021-27600 in the wild and no public exploit code.

## Other vulnerabilities in SAP Manufacturing Execution (System Rules)

- [CVE-2022-39802](https://insights.sbomify.com/CVE-2022-39802/): Path traversal in SAP Manufacturing Execution (high 7.5)
- [CVE-2021-27615](https://insights.sbomify.com/CVE-2021-27615/): Cross-site scripting in SAP Manufacturing Execution (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-27600 and fix it if it is affected.

What it is: CVE-2021-27600 is a medium-severity cross-site scripting vulnerability in SAP Manufacturing Execution (System Rules), published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-27600 in the wild and no public exploit code.

Affected product: SAP Manufacturing Execution (System Rules). 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-2021-27600/ (Markdown: https://insights.sbomify.com/CVE-2021-27600/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-27600
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27600
- OSV: https://osv.dev/vulnerability/CVE-2021-27600

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-27600/
Summaries are generated and may contain mistakes; the official description above is the record.