CVE-2019-9670

critical

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.

References

https://bugzilla.zimbra.com/show_bug.cgi?id=109129

https://www.exploit-db.com/exploits/46693/

https://www.ncsc.gov.uk/files/Advisory-further-TTPs-associated-with-SVR-cyber-actors.pdf

https://www.ncsc.gov.uk/files/Advisory-APT29-targets-COVID-19-vaccine-development-V1-1.pdf

https://www.tenable.com/blog/government-advisories-warn-of-apt-activity-resulting-from-russian-invasion-of-ukraine

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/

http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html

Details

Source: Mitre, NVD

Published: 2019-05-29

Updated: 2025-10-22

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.9443

Detections

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