{"id":"CVE-2019-9670","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-9670","generatedAt":"2026-10-31T18:51:34.615Z","title":"Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference","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.","published":"2019-05-29T22:29:02.000Z","lastModified":"2026-06-17T02:44:09.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-611"],"affected":["synacor/zimbra collaboration suite"],"epss":{"score":0.99986,"percentile":0.99983,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-01-10","dueDate":"2022-07-10","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-9670"},"exploits":{"count":1,"verified":true,"firstPublished":"2019-04-12","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46693,"kind":"exploit","title":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/46693.rb","file":"exploits/linux/remote/46693.rb","published":"2019-04-12","added":"2019-04-12","updated":"2019-04-12","author":"Metasploit","type":"remote","platform":"linux","port":8443,"verified":true,"codes":["CVE-2019-9670","CVE-2019-9621"],"tags":"Server-Side Request Forgery (SSRF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/zimbra_xxe_rce.rb"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugzilla.zimbra.com/show_bug.cgi?id=109129","tags":["Broken Link","Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/46693/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.zimbra.com/show_bug.cgi?id=109129","tags":["Broken Link","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46693/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9670","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}