CVEvulnerability
CVE-2019-9670
CISA Known Exploited Vulnerability
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference — Synacor Zimbra Collaboration Suite (ZCS)
Synacor Zimbra Collaboration Suite (ZCS) contains an improper restriction of XML external entity (XXE) vulnerability in the mailboxd component.
- Added to KEV
- 2022-01-10
- Remediation due
- 2022-07-10
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2019-9670
- Status
- Analyzed
- Published
- 2019-05-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-611
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.
Affected configurations
• synacor zimbra collaboration suite (>= 8.7.0 < 8.7.11)
• synacor zimbra collaboration suite 8.7.11
Related
Weakness · CWE (1)
- CWE-611 Improper Restriction of XML External Entity Reference weakness
References
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html Exploit, Third Party Advisory, VDB Entry
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce Third Party Advisory
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129 Broken Link, Issue Tracking, Patch, Third Party Advisory
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/ Exploit, Third Party Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
- https://www.exploit-db.com/exploits/46693/ Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html Exploit, Third Party Advisory, VDB Entry
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce Third Party Advisory
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129 Broken Link, Issue Tracking, Patch, Third Party Advisory
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/ Exploit, Third Party Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
- https://www.exploit-db.com/exploits/46693/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670 US Government Resource