On 12th of January 2021, SAP has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. SAP strongly recommends that the users apply patches  to protect their SAP landscape.

Detailed information on vulnerabilities and updates can be found on the page of SAP security notes for January 2021, which is available at the following link:

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564760476