CVE-2018-20160

CRITICAL

Synacor Zimbra Collaboration Suite 8.7-8.8 - XML External Entity Injection via ZxChat Mailboxd Request

Title source: llm
STIX 2.1

Description

ZxChat (aka ZeXtras Chat), as used for zimbra-chat and zimbra-talk in Synacor Zimbra Collaboration Suite 8.7 and 8.8 and in other products, allows XXE attacks, as demonstrated by a crafted XML request to mailboxd.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://wiki.zimbra.com/wiki/Security_Center
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.zimbra.com/show_bug.cgi?id=109093

Scores

CVSS v3 9.8
EPSS 0.0223
EPSS Percentile 80.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-611
Status published
Products (5)
synacor/zimbra_collaboration_suite 8.7.11 (10 CPE variants)
synacor/zimbra_collaboration_suite 8.8.9 (8 CPE variants)
synacor/zimbra_collaboration_suite 8.8.10 (4 CPE variants)
synacor/zimbra_collaboration_suite 8.8.11
synacor/zimbra_collaboration_suite 8.7.0 - 8.7.11
Published May 29, 2019
Tracked Since Feb 18, 2026