CVE-2020-26832 Missing authorization in SAP NetWeaver AS ABAP (SAP Landscape Transformation)

High 7.6 Published 9 Dec 2020 Updated 4 Aug 2024

A high-privileged user can exploit missing authorization checks to access sensitive internal information or cause a denial of service in SAP systems.

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-2020-26832?

CVE-2020-26832 is a high-severity missing authorization vulnerability in Sap Netweaver Application Server Abap, published on 9 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

SAP AS ABAP (SAP Landscape Transformation), versions - 2011_1_620, 2011_1_640, 2011_1_700, 2011_1_710, 2011_1_730, 2011_1_731, 2011_1_752, 2020 and SAP S4 HANA (SAP Landscape Transformation), versions - 101, 102, 103, 104, 105, allows a high privileged user to execute a RFC function module to which access should be restricted, however due to missing authorization an attacker can get access to some sensitive internal information of vulnerable SAP system or to make vulnerable SAP systems completely unavailable.

Weakness: CWE-862

Which versions are affected by CVE-2020-26832?

It affects 2 products.

Products include Sap Netweaver Application Server Abap, Sap S\/4 Hana.

How do I fix CVE-2020-26832?

No fix has been published for CVE-2020-26832 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-2020-26832 being exploited?

There is no known exploitation of CVE-2020-26832 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-898v-h686-8h79.