from www.helpnetsecurity.com

Microsoft Exchange servers are an ideal target for attackers looking to burrow into enterprise networks, says Microsoft, as “they provide a unique environment that could allow attackers to perform various tasks using the same built-in tools or scripts that admins use for maintenance.” And while they are not the initial entrance point in the majority of cases, the company has witnessed lately a rise in attacks aimed at compromising Exchange servers by exploiting an unpatched flaw – more specifically CVE-2020-0688, a patch for which was released in February 2020.