CVE advisoryKnown Exploit
CVE-2018-6789
Exim SMTP Listener Remote Code Execution Vulnerability.
Halo Surface Signal: 5 out of 5 — more likely to be public-facing.
A vulnerability in Exim's SMTP listener allows remote code execution via a crafted message, potentially impacting systems and data. This is a known exploited vulnerability. Organizations using affected Exim versions face business risk if exploited.