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.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

99.99% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2022-01-10

Nuclei

critical · CWE-611

Published

2019-05-29

Updated

2025-10-21

Proof-of-concept exploits (7)

• http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE…
• http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
• Cappricio-Securities/CVE-2019-96700★ · 2024-06-21
• attackgithub/Zimbra-RCE1★ · 2019-08-16
• nth347/Zimbra-RCE-exploit36★ · 2021-10-02
• raylax/rayx5★ · 2023-03-28
• rek7/Zimbra-RCE26★ · 2019-08-16

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-9670.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/zimbra_xxe_rce.rb

ExploitDB entries (1)

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

Exploit collections (2)

• zimbra-cve-2019-9670-xxe.ymlchaitin/xray
• CVE-2019-9670.yamlzan8in/afrog

Security advisories

• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• https://bugzilla.zimbra.com/show_bug.cgi?id=109129
• https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerabilit…

References

• CVE Record
• NVD entry

Related

• CVE-2000-0114
• CVE-2009-0347
• CVE-2012-5321
• CVE-2015-1635
• CVE-2015-7297
• CVE-2017-7269