CVE-2023-28763 Denial of Service in SAP NetWeaver AS for ABAP and ABAP Platform

Medium 6.5 Published 11 Apr 2023 Updated 7 Feb 2025

An authenticated non-admin user can cause a denial of service by sending crafted requests that exhaust server resources.

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-2023-28763?

CVE-2023-28763 is a medium-severity denial of service vulnerability in Sap Netweaver Application Server Abap, published on 11 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SAP NetWeaver AS for ABAP and ABAP Platform - versions 740, 750, 751, 752, 753, 754, 755, 756, 757, 791, allows an attacker authenticated as a non-administrative user to craft a request with certain parameters which can consume the server's resources sufficiently to make it unavailable over the network without any user interaction.

Weakness: CWE-400

Which versions are affected by CVE-2023-28763?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2023-28763?

No fix has been published for CVE-2023-28763 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-2023-28763 being exploited?

There is no known exploitation of CVE-2023-28763 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-9j88-8w42-xmxg.