CVE-2018-10951: Synacor Zimbra Collaboration Suite

Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days.

mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 before 8.6.0.Patch10 allows zimbraSSLPrivateKey read access via a GetServer, GetAllServers, or GetAllActiveServers call in the Admin SOAP API.

Affected products

• Synacor Zimbra Collaboration Suite: from 8.7.0, up to and including 8.7.11; from 8.8.0, before 8.8.8 (fixed in 8.8.8); version 8.6.0 only; version 8.7.11 only

Published 2018-05-10. Last modified 2026-06-17.