MS.Exchange.Server.OWA.Remote.Code.Execution

Description

This indicates an attack attempt to exploit a Remote Code Execution in Microsoft Exchange Server.
The vulnerability is due to insufficient sanitization when handling a malicious request. A remote attacker may be able to exploit this to disclose data or execute arbitrary code within the context of the application, via a crafted HTTP request.

Outbreak Alert

Critical zero-day vulnerabilities that can allow the attacker to do a Remote Code Execution (RCE) on Microsoft Exchange Servers. FortiGuard has added multiple protections throughout the Security Fabric to safeguard its customers from attacks exploiting these zero-day vulnerabilities.

View the full Outbreak Alert Report

Affected Products

Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2019 Cumulative Update 12

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41080