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CVE-2020-6240 Denial of service in SAP NetWeaver AS ABAP (Web Dynpro ABAP) (SAP BASIS)

Medium 5.3 Published Updated

An unauthenticated attacker can cause a denial of service in SAP NetWeaver AS ABAP by crashing or flooding the Web Dynpro service.

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-2020-6240?

CVE-2020-6240 is a medium-severity denial of service vulnerability in Sap Netweaver Application Server Abap, published on 12 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP NetWeaver AS ABAP (Web Dynpro ABAP), versions (SAP_UI 750, 752, 753, 754 and SAP_BASIS 700, 710, 730, 731, 804) allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service leading to Denial of Service

Which versions are affected by CVE-2020-6240?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2020-6240?

No fix has been published for CVE-2020-6240 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-2020-6240 being exploited?

There is no known exploitation of CVE-2020-6240 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-r5cx-qg2w-4jw8.

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