# CVE-2020-26809: Missing authorization in SAP Commerce Cloud

> Attackers can bypass authentication to access secure media folders in SAP Commerce Cloud, leading to sensitive information disclosure.

- **Severity:** Medium 5.3 (`CVSS:3.0/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:** No
- **Published:** 10 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-62q9-rf2f-c4rj

## What is CVE-2020-26809?

CVE-2020-26809 is a medium-severity missing authorization vulnerability in SAP Commerce Cloud, published on 10 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SAP Commerce Cloud, versions- 1808,1811,1905,2005, allows an attacker to bypass existing authentication and permission checks via the '/medias' endpoint hence gaining access to Secure Media folders. This folder could contain sensitive files that results in disclosure of sensitive information and impact system configuration confidentiality.

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2020-26809?

It affects 1 product.


Products: Sap Commerce Cloud.

## How do I fix CVE-2020-26809?

No fix has been published for CVE-2020-26809 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-26809 being exploited?

There is no known exploitation of CVE-2020-26809 in the wild and no public exploit code.

## Other vulnerabilities in SAP Commerce Cloud

- [CVE-2019-0344](https://insights.sbomify.com/CVE-2019-0344/): SAP Commerce Cloud Deserialization of Untrusted Data (critical 9.8, exploited in the wild)
- [CVE-2020-6238](https://insights.sbomify.com/CVE-2020-6238/): XML external entity in SAP Commerce (critical 9.3)
- [CVE-2023-39439](https://insights.sbomify.com/CVE-2023-39439/): SAP Commerce accepts empty passphrases. (high 8.8)
- [CVE-2019-0343](https://insights.sbomify.com/CVE-2019-0343/): Code injection in SAP Commerce Cloud (Mediaconversion Extension) (high 8.8)
- [CVE-2023-42481](https://insights.sbomify.com/CVE-2023-42481/): Improper Access Control vulnerability in SAP Commerce Cloud (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-26809 and fix it if it is affected.

What it is: CVE-2020-26809 is a medium-severity missing authorization vulnerability in SAP Commerce Cloud, published on 10 Nov 2020. 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-2020-26809 in the wild and no public exploit code.

Affected product: SAP Commerce Cloud. 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-2020-26809/ (Markdown: https://insights.sbomify.com/CVE-2020-26809/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-26809
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-26809
- OSV: https://osv.dev/vulnerability/CVE-2020-26809

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-26809/
Summaries are generated and may contain mistakes; the official description above is the record.