CVE-2018-20160

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSynacor Zimbra Collaboration Suite
PublishedMay 29, 2019
First seenMay 29, 2019

How to fix

Update
  • synacor zimbra_collaboration_suite8.7.11, 8.8.9 or later

Affected products

ProductAffected versionsFixed in
synacor zimbra_collaboration_suite8.7.0 ≤ v < 8.7.11, 8.8.0 ≤ v < 8.8.9, 8.7.11, 8.8.9, 8.8.10, 8.8.118.7.11, 8.8.9

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