RCE flaw in Exim MTA affects half of the email servers online

A critical remote code vulnerability in the Exim mail transfer agent (MTA), tracked as CVE-2018-6789, affects most of the email servers online. It has been estimated that as in March 2017, the total number of Internet’s email servers running Exim was over 560,000, that corresponds to 56% of all Mail (MX) Server online.

Source: securityaffairs.co