# CVE-2019-0304: Command injection in SAP NetWeaver AS ABAP Platform(KERNEL)

> An attacker can inject manipulated commands into the FTP function of SAP NetWeaver AS ABAP, allowing them to control application behavior and execute arbitrary code.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-cr28-fpxh-wjpp

## What is CVE-2019-0304?

CVE-2019-0304 is a critical command injection vulnerability in SAP NetWeaver AS ABAP Platform(KERNEL), published on 12 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

FTP Function of SAP NetWeaver AS ABAP Platform, versions- KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.73, KERNEL 7.21, 7.45, 7.49, 7.53, 7.73, allows an attacker to inject code or specifically manipulated command that can be executed by the application. An attacker could thereby control the behaviour of the application.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2019-0304?

It affects 5 products.


Products: Sap Advanced Business Application Programming Platform Kernel, Sap Advanced Business Application Programming Platform Krnl32nuc, Sap Advanced Business Application Programming Platform Krnl32uc, Sap Advanced Business Application Programming Platform Krnl64nuc, Sap Advanced Business Application Programming Platform Krnl64uc.

## How do I fix CVE-2019-0304?

No fix has been published for CVE-2019-0304 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-0304 being exploited?

There is no known exploitation of CVE-2019-0304 in the wild and no public exploit code.

## Other vulnerabilities in SAP NetWeaver AS ABAP Platform(KERNEL)

- [CVE-2019-0270](https://insights.sbomify.com/CVE-2019-0270/): Missing authorization in ABAP Platform & Server (KERNEL) (high 8.8)
- [CVE-2019-0255](https://insights.sbomify.com/CVE-2019-0255/): Privilege escalation in n/a (high 8.1)
- [CVE-2019-0349](https://insights.sbomify.com/CVE-2019-0349/): Missing authorization in SAP Kernel (KERNEL) (high 7.2)
- [CVE-2019-0265](https://insights.sbomify.com/CVE-2019-0265/): XML external entity in ABAP Platform (KERNEL) (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-0304 and fix it if it is affected.

What it is: CVE-2019-0304 is a critical command injection vulnerability in SAP NetWeaver AS ABAP Platform(KERNEL), published on 12 Jun 2019. 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-2019-0304 in the wild and no public exploit code.

Affected product: SAP NetWeaver AS ABAP Platform(KERNEL). 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-2019-0304/ (Markdown: https://insights.sbomify.com/CVE-2019-0304/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-0304
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-0304
- OSV: https://osv.dev/vulnerability/CVE-2019-0304

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-0304/
Summaries are generated and may contain mistakes; the official description above is the record.