# CVE-2022-47894: Apache Zeppelin SAP: connecting to a malicious SAP server allowed it to perform XXE

> Connecting to a malicious SAP server allows XML External Entity attacks in the retired Apache Zeppelin SAP component, risking data exposure.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:** Yes
- **Published:** 9 Apr 2024
- **Updated:** 13 Feb 2025
- **Also known as:** GHSA-rr59-h6rh-v84v

## What is CVE-2022-47894?

CVE-2022-47894 is a medium-severity vulnerability in Apache Zeppelin SAP, published on 9 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Input Validation vulnerability in Apache Zeppelin SAP.This issue affects Apache Zeppelin SAP: from 0.8.0 before 0.11.0.

As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.

For more information, the fix already was merged in the source code but Zeppelin decided to retire the SAP component
NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2022-47894?

2 open source packages ship an affected version, including org.apache.zeppelin:sap. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.apache.zeppelin:sap` | Maven | From 0.8.0 | 0.11.0 |
| `org.apache.zeppelin:sap` | Maven | From 0.8.0 | 0.11.0 |

Products: Apache Zeppelin.

## How do I fix CVE-2022-47894?

Upgrade org.apache.zeppelin:sap to 0.11.0 or later.

## Is CVE-2022-47894 being exploited?

There is no known exploitation of CVE-2022-47894 in the wild and no public exploit code.

## Other vulnerabilities in Apache Zeppelin SAP

- [CVE-2024-31864](https://insights.sbomify.com/CVE-2024-31864/): Apache Zeppelin: Remote code execution by adding malicious JDBC connection string (critical 9.8)
- [CVE-2024-31866](https://insights.sbomify.com/CVE-2024-31866/): Apache Zeppelin: Interpreter download command does not escape malicious code injection (critical 9.8)
- [CVE-2019-10095](https://insights.sbomify.com/CVE-2019-10095/): bash command injection in spark interpreter (critical 9.8)
- [CVE-2018-1317](https://insights.sbomify.com/CVE-2018-1317/): Improper Authentication in Apache Zeppelin (high 8.8)
- [CVE-2017-12619](https://insights.sbomify.com/CVE-2017-12619/): Session Fixation in Apache Zeppelin (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-47894 and fix it if it is affected.

What it is: CVE-2022-47894 is a medium-severity vulnerability in Apache Zeppelin SAP, published on 9 Apr 2024. 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-2022-47894 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.apache.zeppelin:sap (Maven): affected from 0.8.0; fixed in 0.11.0
- org.apache.zeppelin:sap (Maven): affected from 0.8.0; fixed in 0.11.0

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-2022-47894/ (Markdown: https://insights.sbomify.com/CVE-2022-47894/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-47894
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-47894
- OSV: https://osv.dev/vulnerability/CVE-2022-47894

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-47894/
Summaries are generated and may contain mistakes; the official description above is the record.