CVE-2021-21466 Code injection in SAP BW/4HANA

Critical 9.9 Published 12 Jan 2021 Updated 3 Aug 2024

A low-privileged attacker can inject code via a remote function module to access sensitive data, modify the system, or cause denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-21466?

CVE-2021-21466 is a critical code injection vulnerability in SAP BW/4HANA, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SAP Business Warehouse, versions 700, 701, 702, 711, 730, 731, 740, 750, 782 and SAP BW/4HANA, versions 100, 200, allow a low privileged attacker to inject code using a remote enabled function module over the network. Via the function module an attacker can create a malicious ABAP report which could be used to get access to sensitive data, to inject malicious UPDATE statements that could have also impact on the operating system, to disrupt the functionality of the SAP system which can thereby lead to a Denial of Service.

Weakness: CWE-94

Which versions are affected by CVE-2021-21466?

It affects 2 products.

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

How do I fix CVE-2021-21466?

No fix has been published for CVE-2021-21466 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-21466 being exploited?

There is no known exploitation of CVE-2021-21466 in the wild and no public exploit code.

Sources

Also known as GHSA-xcp4-49mj-2j86.