CVE-2021-38181 Denial of service in SAP NetWeaver AS ABAP and ABAP Platform

High 7.5 Published 12 Oct 2021 Updated 4 Aug 2024

An attacker can prevent legitimate users from accessing SAP NetWeaver AS ABAP services by crashing or flooding them.

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

What is CVE-2021-38181?

CVE-2021-38181 is a high-severity denial of service vulnerability in Sap Netweaver Application Server Abap, published on 12 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP NetWeaver AS ABAP and ABAP Platform - versions 700, 701, 702, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

Which versions are affected by CVE-2021-38181?

It affects 2 products.

Products include Sap Netweaver Abap, Sap Netweaver Application Server Abap.

How do I fix CVE-2021-38181?

No fix has been published for CVE-2021-38181 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-38181 being exploited?

There is no known exploitation of CVE-2021-38181 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-wwvm-fw3q-qqf3.