CVE-2020-12618

https://notcve.org/view.php?id=CVE-2020-12618

20 Aug 2020 — eM Client before 7.2.33412.0 automatically imported S/MIME certificates and thereby silently replaced existing ones. This allowed a man-in-the-middle attacker to obtain an email-validated S/MIME certificate from a trusted CA and replace the public key of the entity to be impersonated. This enabled the attacker to decipher further communication. The entire attack could be accomplished by sending a single email. eM Client versiones anteriores a 7.2.33412.0 importaba automáticamente certificados S/MIME y, por ... • https://www.emclient.com/release-history •