Vulnerability in Exim email server exploited in data breaches

A vulnerability has been discovered in Exim email server, which allows attackers to execute commands in the vulnerable system. The NCSC-FI has received several reports on data breaches in Finland where attackers have penetrated systems using the Exim vulnerability. The vulnerability is being actively exploited in other countries, too. In the incidents reported to the NCSC-FI, the attacker has hacked cPanel systems exploiting the vulnerability in Exim email server bundled with the cPanel software.