# CVE-2024-21738: Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver ABAP Application Server and ABAP Platform

> An attacker with low privileges can exploit insufficient input encoding to perform Cross-Site Scripting, leading to limited confidentiality impact on application data.

- **Severity:** Medium 4.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Jan 2024
- **Updated:** 3 Jun 2025
- **Also known as:** GHSA-ccxm-r356-vpjv

## What is CVE-2024-21738?

CVE-2024-21738 is a medium-severity cross-site scripting vulnerability in Sap Netweaver Application Server Abap, published on 9 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

SAP NetWeaver ABAP Application Server and ABAP Platform do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. An attacker with low privileges can cause limited impact to confidentiality of the application data after successful exploitation.

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

## Which versions are affected by CVE-2024-21738?

It affects 1 product.


Products: Sap Netweaver Application Server Abap.

## How do I fix CVE-2024-21738?

No fix has been published for CVE-2024-21738 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-21738 being exploited?

There is no known exploitation of CVE-2024-21738 in the wild and no public exploit code.

## Other vulnerabilities in Sap Netweaver Application Server Abap

- [CVE-2026-0488](https://insights.sbomify.com/CVE-2026-0488/): Code Injection vulnerability in SAP CRM and SAP S/4HANA (Scripting Editor) (critical 9.9)
- [CVE-2021-40499](https://insights.sbomify.com/CVE-2021-40499/): Code injection in SAP NetWeaver Application Server for ABAP (SAP Cloud Print Manager and SAPSprint) (critical 9.8)
- [CVE-2023-27269](https://insights.sbomify.com/CVE-2023-27269/): Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform (critical 9.6)
- [CVE-2023-27500](https://insights.sbomify.com/CVE-2023-27500/): Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform (critical 9.6)
- [CVE-2023-0014](https://insights.sbomify.com/CVE-2023-0014/): Capture-replay vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-21738 and fix it if it is affected.

What it is: CVE-2024-21738 is a medium-severity cross-site scripting vulnerability in Sap Netweaver Application Server Abap, published on 9 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-21738 in the wild and no public exploit code.

Affected product: Sap Netweaver Application Server Abap. 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-2024-21738/ (Markdown: https://insights.sbomify.com/CVE-2024-21738/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21738
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21738
- OSV: https://osv.dev/vulnerability/CVE-2024-21738

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-21738/
Summaries are generated and may contain mistakes; the official description above is the record.