CVE-2016-3415: Synacor Zimbra Collaboration Suite

Critical severity, CVSS 9.1. EPSS: 2.5% chance of exploitation in the next 30 days.

Zimbra Collaboration before 8.7.0 allows remote attackers to conduct deserialization attacks via unspecified vectors, aka bug 102276.

Affected products

• Synacor Zimbra Collaboration Suite: up to and including 8.6.0

Published 2017-01-18. Last modified 2026-06-17.