CVE-2019-9670
CRITICAL severity · CVSS 9.8 · XML external entity (XXE) · actively exploited (CISA KEV)
9.8CVSS CRITICAL exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-01-10. US federal agencies must patch by 2022-07-10.
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)100%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.zimbra.com/show_bug.cgi?id=109129 ↗
Additional information
- NVD record
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129Patch
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesAdvisory
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rceAdvisory
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.htmlAdvisory
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/Advisory
- https://www.exploit-db.com/exploits/46693/Advisory