Vulnerability Report

CVE-2019-9670

CISA KEV Active

Title: Synacor Zimbra Collaboration Suite XML External Entity (XXE)

XML External Entity (XXE)

Proof Of Concept

PoC Available for CVE-2019-9670

CWE Category CWE-611
Published Date May 29, 2019
Modified Date Nov 04, 2025
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
94.43%

Vulnerability Summary

CVE-2019-9670: 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.

Impacted Vendors

S
synacor 1
Z
zimbra 1

Reference Links

http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce https://bugzilla.zimbra.com/show_bug.cgi?id=109129 https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/ https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories https://www.exploit-db.com/exploits/46693/ http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce https://bugzilla.zimbra.com/show_bug.cgi?id=109129 https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/ https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories https://www.exploit-db.com/exploits/46693/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-9670 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/46693
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.