CVE-2021-44235 Command injection in SAP NetWeaver AS ABAP

Medium 6.7 Published 14 Dec 2021 Updated 4 Aug 2024

High-privilege attackers can inject code via transaction class builder to execute arbitrary OS commands on SAP NetWeaver AS ABAP systems.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-44235?

CVE-2021-44235 is a medium-severity command injection vulnerability in Sap Netweaver Application Server Abap, published on 14 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Two methods of a utility class in SAP NetWeaver AS ABAP - versions 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, allow an attacker with high privileges and has direct access to SAP System, to inject code when executing with a certain transaction class builder. This could allow execution of arbitrary commands on the operating system, that could highly impact the Confidentiality, Integrity and Availability of the system.

Weakness: CWE-78

Which versions are affected by CVE-2021-44235?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2021-44235?

No fix has been published for CVE-2021-44235 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-2021-44235 being exploited?

There is no known exploitation of CVE-2021-44235 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-pchw-x6hv-9cvj.