CVE-2020-26818 Missing authorization in SAP NetWeaver AS ABAP (Web Dynpro)

Medium 6.5 Published 10 Nov 2020 Updated 4 Aug 2024

An authenticated user can access restricted Web Dynpro components to reveal sensitive system information due to missing authorization checks.

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-2020-26818?

CVE-2020-26818 is a medium-severity missing authorization vulnerability in Sap Netweaver Application Server Abap, published on 10 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SAP NetWeaver AS ABAP (Web Dynpro), versions - 731, 740, 750, 751, 752, 753, 754, 755, 782, allows an authenticated user to access Web Dynpro components, which reveals sensitive system information that would otherwise be restricted to highly privileged users because of missing authorization, resulting in Information Disclosure.

Weakness: CWE-862

Which versions are affected by CVE-2020-26818?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2020-26818?

No fix has been published for CVE-2020-26818 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-26818 being exploited?

There is no known exploitation of CVE-2020-26818 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-67fv-h3m9-7p8h.