VULNERABILITY INTELLIGENCE

CVE-2018-20160

CVSS score9.8 CRITICAL
EPSS probability2.25%
CISA KEVNot currently listed
Published2019-05-29
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-611: Improper Restriction of XML External Entity Reference

Primary references