{"schema":"threatline.record/2","record":{"id":"CVE-2019-9621","aliases":[],"summary":"Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability","details":"Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.","categories":["Applications & CMS"],"product":"Zimbra Collaboration Suite (ZCS)","vendor":"Synacor","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-9621","source_modified_at":"2025-10-21T23:45:38.514Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2025-07-07","due_date":"2025-07-28","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.81037,"percentile":0.99634,"score_date":"2026-10-23"},"published_at":"2019-04-30T17:40:53.000Z","modified_at":"2025-10-21T23:45:38.514Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2019-9621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:45:38.514Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/zimbra_xxe_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-03-13"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/46967","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-06-05"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/46693","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-04-12"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-9621.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-9621","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9621","source":"CISA KEV"},{"source":"CVE List","url":"https://bugzilla.zimbra.com/show_bug.cgi?id=109127","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.exploit-db.com/exploits/46693/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"source":"CVE List","url":"https://blog.zimbra.com/2019/03/9826/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9621","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2025-07-17T03:55:42.480607Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Zimbra Collaboration Autodiscover Servlet XXE and ProxyServlet SSRF","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/zimbra_xxe_rce.rb","date":"2019-03-13","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Zimbra < 8.8.11 - XML External Entity Injection / Server-Side Request Forgery","url":"https://www.exploit-db.com/exploits/46967","date":"2019-06-05","added":"2019-06-05","verified":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Zimbra < 8.8.11 - XML External Entity Injection / Server-Side Request Forgery","url":"https://www.exploit-db.com/exploits/46967","date":"2019-06-05","added":"2019-06-05","verified":false},{"source":"Exploit-DB","kind":"Remote exploit","name":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","date":"2019-04-12","added":"2019-04-12","verified":true},{"source":"Exploit-DB","kind":"Remote exploit","name":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","date":"2019-04-12","added":"2019-04-12","verified":true},{"source":"Exploit-DB","kind":"Remote exploit","name":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","date":"2019-04-12","added":"2019-04-12","verified":true},{"source":"Exploit-DB","kind":"Remote exploit","name":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","date":"2019-04-12","added":"2019-04-12","verified":true},{"source":"Nuclei","kind":"Scanner template","name":"Zimbra Collaboration Suite - SSRF","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-9621.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:45:38.514Z","content_hash":"75d4f26932193f39ff5d4a64d827d9522210c07b75c96398dd03f38ce7115461"}}