critical
9.8
CWE
611
Advisory Published
Updated

CVE-2018-20160: XEE

First published: Wed May 29 2019(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Synacor Zimbra Collaboration Suite>=8.7.0<8.7.11
Synacor Zimbra Collaboration Suite>=8.8.0<8.8.9
Synacor Zimbra Collaboration Suite=8.7.11
Synacor Zimbra Collaboration Suite=8.7.11-p1
Synacor Zimbra Collaboration Suite=8.7.11-p2
Synacor Zimbra Collaboration Suite=8.7.11-p3
Synacor Zimbra Collaboration Suite=8.7.11-p4
Synacor Zimbra Collaboration Suite=8.7.11-p5
Synacor Zimbra Collaboration Suite=8.7.11-p6
Synacor Zimbra Collaboration Suite=8.7.11-p7
Synacor Zimbra Collaboration Suite=8.7.11-p8
Synacor Zimbra Collaboration Suite=8.7.11-p9
Synacor Zimbra Collaboration Suite=8.8.9
Synacor Zimbra Collaboration Suite=8.8.9-p1
Synacor Zimbra Collaboration Suite=8.8.9-p2
Synacor Zimbra Collaboration Suite=8.8.9-p3
Synacor Zimbra Collaboration Suite=8.8.9-p4
Synacor Zimbra Collaboration Suite=8.8.9-p6
Synacor Zimbra Collaboration Suite=8.8.9-p7
Synacor Zimbra Collaboration Suite=8.8.9-p8
Synacor Zimbra Collaboration Suite=8.8.10
Synacor Zimbra Collaboration Suite=8.8.10-p2
Synacor Zimbra Collaboration Suite=8.8.10-p3
Synacor Zimbra Collaboration Suite=8.8.10-p4
Synacor Zimbra Collaboration Suite=8.8.11

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-20160?

    CVE-2018-20160 is a vulnerability in ZxChat (aka ZeXtras Chat) that allows XXE attacks.

  • How does CVE-2018-20160 affect Synacor Zimbra Collaboration Suite?

    CVE-2018-20160 affects Synacor Zimbra Collaboration Suite 8.7 and 8.8, allowing XXE attacks.

  • What is the severity of CVE-2018-20160?

    The severity of CVE-2018-20160 is rated as critical with a CVSS score of 9.8.

  • How can I fix the CVE-2018-20160 vulnerability?

    To fix the CVE-2018-20160 vulnerability, update to a version of Synacor Zimbra Collaboration Suite that is not affected by the vulnerability.

  • Where can I find more information about CVE-2018-20160?

    You can find more information about CVE-2018-20160 on the Zimbra Bugzilla and Zimbra Security Advisories websites.

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