Vulnerabilities > CVE-2020-28018 - Use After Free vulnerability in Exim

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
exim
CWE-416
critical

Summary

Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.

Common Weakness Enumeration (CWE)