Researchers monitoring for larger .ICS calendar attachments found that a flaw in Zimbra Collaboration Suite (ZCS) was used in zero-day attacks at the beginning of the year.
First seen on bleepingcomputer.com
Jump to article: www.bleepingcomputer.com/news/security/hackers-exploited-zimbra-flaw-as-zero-day-using-icalendar-files/
