Vulnerabilities > CVE-2018-20160 - XXE vulnerability in Synacor Zimbra Collaboration Suite

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

synacor

CWE-611

critical

NVD

Published: 2019-05-29

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Synacor Synacor Zimbra Collaboration Suite 8.7.11 Synacor Zimbra Collaboration Suite 8.7.0 Synacor Zimbra Collaboration Suite 8.7.1 Synacor Zimbra Collaboration Suite 8.7.2 Synacor Zimbra Collaboration Suite 8.7.3 Synacor Zimbra Collaboration Suite 8.7.4 Synacor Zimbra Collaboration Suite 8.7.5 Synacor Zimbra Collaboration Suite 8.7.6 Synacor Zimbra Collaboration Suite 8.7.7 Synacor Zimbra Collaboration Suite 8.7.8 Synacor Zimbra Collaboration Suite 8.7.9 Synacor Zimbra Collaboration Suite 8.7.10 Synacor Zimbra Collaboration Suite 8.8.11 Synacor Zimbra Collaboration Suite 8.8.10 Synacor Zimbra Collaboration Suite 8.8.9 Synacor Zimbra Collaboration Suite 8.8.0 Synacor Zimbra Collaboration Suite 8.8.2 Synacor Zimbra Collaboration Suite 8.8.3 Synacor Zimbra Collaboration Suite 8.8.4 Synacor Zimbra Collaboration Suite 8.8.5 Synacor Zimbra Collaboration Suite 8.8.6 Synacor Zimbra Collaboration Suite 8.8.7 Synacor Zimbra Collaboration Suite 8.8.8	64

Common Weakness Enumeration (CWE)

CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References