# CVE-2021-21465: SQL injection in SAP Business Warehouse

> Low-privilege attackers can execute arbitrary SQL queries in SAP Business Warehouse, compromising the backend database.

- **Severity:** Critical 9.9 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jan 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-8424-8x2w-j5fr

## What is CVE-2021-21465?

CVE-2021-21465 is a critical SQL injection vulnerability in SAP Business Warehouse, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The BW Database Interface allows an attacker with low privileges to execute any crafted database queries, exposing the backend database. An attacker can include their own SQL commands which the database will execute without properly sanitizing the untrusted data leading to SQL injection vulnerability which can fully compromise the affected SAP system.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-21465?

It affects 1 product.


Products: Sap Business Warehouse.

## How do I fix CVE-2021-21465?

No fix has been published for CVE-2021-21465 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-21465 being exploited?

There is no known exploitation of CVE-2021-21465 in the wild and no public exploit code.

## Other vulnerabilities in SAP Business Warehouse

- [CVE-2021-21466](https://insights.sbomify.com/CVE-2021-21466/): Code injection in SAP BW/4HANA (critical 9.9)
- [CVE-2020-26838](https://insights.sbomify.com/CVE-2020-26838/): Command injection in SAP BW4HANA (critical 9.1)
- [CVE-2021-21468](https://insights.sbomify.com/CVE-2021-21468/): Missing authorization in SAP Business Warehouse (medium 6.5)
- [CVE-2024-39594](https://insights.sbomify.com/CVE-2024-39594/): Cross-site scripting in SAP Business Warehouse - Business Planning and Simulation (medium 6.1)
- [CVE-2024-39595](https://insights.sbomify.com/CVE-2024-39595/): Cross-site scripting in SAP Business Warehouse - Business Planning and Simulation (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-21465 and fix it if it is affected.

What it is: CVE-2021-21465 is a critical SQL injection vulnerability in SAP Business Warehouse, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-21465 in the wild and no public exploit code.

Affected product: SAP Business Warehouse. 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-2021-21465/ (Markdown: https://insights.sbomify.com/CVE-2021-21465/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-21465
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-21465
- OSV: https://osv.dev/vulnerability/CVE-2021-21465

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-21465/
Summaries are generated and may contain mistakes; the official description above is the record.