{"schema":"threatline.record/2","record":{"id":"CVE-2019-19781","aliases":[],"summary":"Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability","details":"Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.","categories":["Network & edge"],"product":"Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance","vendor":"Citrix","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-19781","source_modified_at":"2026-08-12T03:55:42.993Z","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":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.99999,"percentile":0.99998,"score_date":"2026-10-23"},"published_at":"2019-12-27T13:06:46.000Z","modified_at":"2026-08-12T03:55:42.993Z","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-2019-19781","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-12T03:55:42.993Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/http/citrix_dir_traversal_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-12-17"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/citrix_dir_traversal.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-12-17"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47930","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-01-16"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47901","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-01-11"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47913","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-01-13"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-19781.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-2019-19781","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":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19781","source":"CISA KEV"},{"source":"CVE List","url":"https://support.citrix.com/article/CTX267027","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://www.kb.cert.org/vuls/id/619785","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"]},{"source":"CVE List","url":"https://twitter.com/bad_packets/status/1215431625766424576","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://forms.gle/eDf3DXZAv96oosfj6","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781","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":"total","assessed_at":"2020-01-08T00:00:00+00:00"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Citrix ADC (NetScaler) Directory Traversal RCE","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/http/citrix_dir_traversal_rce.rb","date":"2019-12-17","added":"2025-12-17","check":true},{"source":"Metasploit","kind":"Auxiliary module","name":"Citrix ADC (NetScaler) Directory Traversal Scanner","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/citrix_dir_traversal.rb","date":"2019-12-17","added":"2025-06-25","check":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal","url":"https://www.exploit-db.com/exploits/47930","date":"2020-01-16","added":"2020-01-16","verified":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Citrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC)","url":"https://www.exploit-db.com/exploits/47901","date":"2020-01-11","added":"2020-01-11","verified":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Citrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/47913","date":"2020-01-13","added":"2020-01-13","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Citrix ADC and Gateway - Directory Traversal","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-19781.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-12T03:55:42.993Z","content_hash":"4e9c64960787d52239604fee0ef27e7ff9d878eeb7cfcd1d467ca6b973b875d6"}}