# CVE-2020-6266: Open redirect in SAP Fiori for SAP S/4HANA

> An attacker can redirect users to malicious sites due to insufficient URL validation in SAP Fiori for SAP S/4HANA.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Jun 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-h48q-6mv5-m89f

## What is CVE-2020-6266?

CVE-2020-6266 is a medium-severity vulnerability in SAP Fiori for SAP S/4HANA, published on 10 Jun 2020. 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 Fiori for SAP S/4HANA, versions - 100, 200, 300, 400, allows an attacker to redirect users to a malicious site due to insufficient URL validation, leading to URL Redirection.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2020-6266?

It affects 1 product.


Products: Sap Fiori.

## How do I fix CVE-2020-6266?

No fix has been published for CVE-2020-6266 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-6266 being exploited?

There is no known exploitation of CVE-2020-6266 in the wild and no public exploit code.

## Other vulnerabilities in SAP Fiori for SAP S/4HANA

- [CVE-2023-24528](https://insights.sbomify.com/CVE-2023-24528/): Missing authorization in Fiori apps 1.0 for travel management in SAP ERP (My Travel Requests) (medium 6.5)
- [CVE-2018-2474](https://insights.sbomify.com/CVE-2018-2474/): Cross-site request forgery in SAP Fiori 1.0 for SAP ERP HCM (Approve Leave Request, version 2) (medium 6.5)
- [CVE-2024-25643](https://insights.sbomify.com/CVE-2024-25643/): Missing authorization check in SAP Fiori app (My Overtime Requests) (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-6266 and fix it if it is affected.

What it is: CVE-2020-6266 is a medium-severity vulnerability in SAP Fiori for SAP S/4HANA, published on 10 Jun 2020. 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-2020-6266 in the wild and no public exploit code.

Affected product: SAP Fiori for SAP S/4HANA. 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-2020-6266/ (Markdown: https://insights.sbomify.com/CVE-2020-6266/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-6266
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-6266
- OSV: https://osv.dev/vulnerability/CVE-2020-6266

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-6266/
Summaries are generated and may contain mistakes; the official description above is the record.