Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
https://bugzilla.zimbra.com/show_bug.cgi?id=109097
Source: Mitre, NVD
Published: 2019-05-29
Updated: 2019-05-30
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.45025