Exim Mail Servers Vulnerable to Zero-Day Attacks for Over a Year – A Major Security Concern

Exim's unpatched vulnerability could expose over a million servers to attacks.

Exim, an MTA running in the background of email servers, could potentially become a conduit for hackers to execute malware on susceptible endpoints, raising significant concerns for server administrators.

The vulnerability in question is officially documented as CVE-2023-42115 and has the potential to not only crash software and corrupt critical data but, more alarmingly, allow malicious code to run on exposed servers.