Renewed BSI warning

New vulnerabilities in Microsoft Exchange Server


The German Federal Office for Information Security (Bundesamt für Sicherheit in der Informationstechnik – BSI) has issued a level “yellow” warning on vulnerabilities in Microsoft Exchange.

On Tuesday, 13 April 2021, Microsoft also released updates for Exchange Server as part of its Patchday.

These close 4 vulnerabilities that offer perpetrators access possibilities and should therefore be urgently applied to the corresponding systems.

Detailed information on the vulnerabilities, version updates and further measures can be found in the official notification of the BSI (PDF). (opens in new tab) The BSI also provides the corresponding links for the updates here.