Security Advisory

CVE-2020-12619

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-08-20 22:44:46

Last updated 2024-08-04 12:04:22

Assigner mitre

State PUBLISHED

Description

MailMate before 1.11 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.

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