CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
28.8%
exim4 is vulnerable to Remote Code Execution (RCE). A memory corruption vulnerability exists in the smtp service of Exim, which listens on TCP port 25 by default that allows an attacker to execute arbitrary code on a vulnerable system by sending a specially crafted SMTP message.