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CVE-2019-9670

CRITICAL CISA KEV

mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Autodiscover/Autodiscover.xml.

Published: May 29, 2019 Modified: Jun 17, 2026
CWE-611 CWE-611

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (11)

Vendor Product Version
synacor zimbra_collaboration_suite * ≥ 8.7.0 < 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11
synacor zimbra_collaboration_suite 8.7.11

GitHub Security Advisory GHSA-pj74-pf28-5qjw

mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 99.99%

Top 0% most likely to be exploited

Threat Score 99.2 / 100

CISA Known Exploited

Date Added: 2022-01-10
Due Date: 2022-07-10
Required Action:

Apply updates per vendor instructions.

Data Sources

NVD CISA KEV EPSS GitHub