CVE-2021-33678 Code injection in SAP NetWeaver AS ABAP (Reconciliation Framework)

Medium 6.5 Published 14 Jul 2021 Updated 3 Aug 2024

A high-privileged attacker can inject code into SAP NetWeaver AS ABAP, leading to data deletion and system unavailability.

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-2021-33678?

CVE-2021-33678 is a medium-severity code injection vulnerability in Sap Netweaver Application Server Abap, published on 14 Jul 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A function module of SAP NetWeaver AS ABAP (Reconciliation Framework), versions - 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 75A, 75B, 75B, 75C, 75D, 75E, 75F, allows a high privileged attacker to inject code that can be executed by the application. An attacker could thereby delete some critical information and could make the SAP system completely unavailable.

Weakness: CWE-94, CWE-95

Which versions are affected by CVE-2021-33678?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2021-33678?

No fix has been published for CVE-2021-33678 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-2021-33678 being exploited?

There is no known exploitation of CVE-2021-33678 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-85h8-fmxx-x269.