It was discovered evolution-ews before 3.31.3 does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by tricking the user into connecting to a fake server without the user noticing the difference.
Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:HI:HA:N8.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NCryptography
Other