CVE-2019-9670

Known Exploited Public Exploit

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.43% Top 5%
KEV Since 
Vendor Advisory zimbra.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories vendor advisory
https://bugzilla.zimbra.com/show_bug.cgi?id=109129 patch third party advisory issue tracking
http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce third party advisory
http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html third party advisory vdb entry exploit
https://www.exploit-db.com/exploits/46693/ third party advisory vdb entry exploit
https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-9670?
CVE-2019-9670 has been scored as a critical severity vulnerability.
How to fix CVE-2019-9670?
To fix CVE-2019-9670, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-9670 being actively exploited in the wild?
It is confirmed that CVE-2019-9670 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.