CVE Vulnerabilities

CVE-2019-9670

Improper Restriction of XML External Entity Reference

Published: May 29, 2019 | Modified: Nov 04, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Software

Name Vendor Start Version End Version
Zimbra_collaboration_suite Synacor 8.7.0 (including) 8.7.11 (excluding)
Zimbra_collaboration_suite Synacor 8.7.11 (including) 8.7.11 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p1 (including) 8.7.11-p1 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p2 (including) 8.7.11-p2 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p3 (including) 8.7.11-p3 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p4 (including) 8.7.11-p4 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p5 (including) 8.7.11-p5 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p6 (including) 8.7.11-p6 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p7 (including) 8.7.11-p7 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p8 (including) 8.7.11-p8 (including)
Zimbra_collaboration_suite Synacor 8.7.11-p9 (including) 8.7.11-p9 (including)

Potential Mitigations

References