# CVE-2021-21448: Information disclosure in SAP GUI FOR WINDOWS

> A local attacker with OS user access can spoof logon credentials in SAP GUI memory to access restricted information from backend systems.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 12 Jan 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6cmw-q525-v9j6

## What is CVE-2021-21448?

CVE-2021-21448 is a medium-severity vulnerability in SAP GUI FOR WINDOWS, published on 12 Jan 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

SAP GUI for Windows, version - 7.60, allows an attacker to spoof logon credentials for Application Server ABAP backend systems in the client PCs memory. Under certain conditions the attacker can access information which would otherwise be restricted. The exploit can only be executed locally on the client PC and not via Network and the attacker needs at least user authorization of the Operating System user of the victim.

## Which versions are affected by CVE-2021-21448?

It affects 1 product.


Products: Sap Graphical User Interface.

## How do I fix CVE-2021-21448?

No fix has been published for CVE-2021-21448 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-21448 being exploited?

There is no known exploitation of CVE-2021-21448 in the wild and no public exploit code.

## Other vulnerabilities in SAP GUI FOR WINDOWS

- [CVE-2023-49580](https://insights.sbomify.com/CVE-2023-49580/): Information disclosure in SAP GUI for Windows and SAP GUI for Java (high 7.3)
- [CVE-2011-5154](https://insights.sbomify.com/CVE-2011-5154/): Path traversal in n/a (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-21448 and fix it if it is affected.

What it is: CVE-2021-21448 is a medium-severity vulnerability in SAP GUI FOR WINDOWS, published on 12 Jan 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-21448 in the wild and no public exploit code.

Affected product: SAP GUI FOR WINDOWS. 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-2021-21448/ (Markdown: https://insights.sbomify.com/CVE-2021-21448/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-21448
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-21448
- OSV: https://osv.dev/vulnerability/CVE-2021-21448

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-21448/
Summaries are generated and may contain mistakes; the official description above is the record.