# CVE-2020-26828: File upload in SAP Disclosure Management.

> Attackers can upload malicious files containing formulas to execute scripts, leading to code execution and data theft in SAP Disclosure Management.

- **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:** 9 Dec 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-qpj4-2wrv-fg4g

## What is CVE-2020-26828?

CVE-2020-26828 is a medium-severity vulnerability in SAP Disclosure Management., published on 9 Dec 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 Disclosure Management, version - 10.1, provides capabilities for authorized users to upload and download content of specific file type. In some file types it is possible to enter formulas which can call external applications or execute scripts. The execution of a payload (script) on target machine could be used to steal and modify the data available in the spreadsheet

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2020-26828?

It affects 1 product.


Products: Sap Disclosure Management.

## How do I fix CVE-2020-26828?

No fix has been published for CVE-2020-26828 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-26828 being exploited?

There is no known exploitation of CVE-2020-26828 in the wild and no public exploit code.

## Other vulnerabilities in SAP Disclosure Management.

- [CVE-2019-0258](https://insights.sbomify.com/CVE-2019-0258/): Missing authorization in SAP Disclosure Management (high 8.8)
- [CVE-2018-2487](https://insights.sbomify.com/CVE-2018-2487/): Path traversal in SAP Disclosure Management (high 8.3)
- [CVE-2020-6209](https://insights.sbomify.com/CVE-2020-6209/): Missing authorization in SAP Disclosure Management (high 7.2)
- [CVE-2022-41274](https://insights.sbomify.com/CVE-2022-41274/): Missing authorization in Disclosure Management (medium 6.5)
- [CVE-2020-6267](https://insights.sbomify.com/CVE-2020-6267/): Information disclosure in SAP Disclosure Management (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-26828 and fix it if it is affected.

What it is: CVE-2020-26828 is a medium-severity vulnerability in SAP Disclosure Management., published on 9 Dec 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-2020-26828 in the wild and no public exploit code.

Affected product: SAP Disclosure Management.. 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-2020-26828/ (Markdown: https://insights.sbomify.com/CVE-2020-26828/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-26828
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-26828
- OSV: https://osv.dev/vulnerability/CVE-2020-26828

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-26828/
Summaries are generated and may contain mistakes; the official description above is the record.