CVE-2020-26838 Command injection in SAP BW4HANA

Critical 9.1 Published 9 Dec 2020 Updated 4 Aug 2024

Authenticated developers can inject OS commands via crafted requests, leading to full server compromise in SAP Business Warehouse.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-26838?

CVE-2020-26838 is a critical command injection vulnerability in SAP BW4HANA, published on 9 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

SAP Business Warehouse, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 782, and SAP BW4HANA, versions - 100, 200 allows an attacker authenticated with (high) developer privileges to submit a crafted request to generate and execute code without requiring any user interaction. It is possible to craft a request which will result in the execution of Operating System commands leading to Code Injection vulnerability which could completely compromise the confidentiality, integrity and availability of the server and any data or other applications running on it.

Weakness: CWE-78

Which versions are affected by CVE-2020-26838?

It affects 2 products.

Products include Sap Business Warehouse, Sap Bw\/4hana.

How do I fix CVE-2020-26838?

No fix has been published for CVE-2020-26838 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-26838 being exploited?

There is no known exploitation of CVE-2020-26838 in the wild and no public exploit code.

Sources

Also known as GHSA-j3jc-48fv-7w6q.