{"id":"CVE-2019-19781","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-19781","generatedAt":"2026-10-27T22:23:24.980Z","title":"Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability","description":"An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.","published":"2019-12-27T14:15:12.000Z","lastModified":"2026-08-12T05:17:22.000Z","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-22"],"affected":["citrix/application delivery controller firmware","citrix/netscaler gateway firmware","citrix/gateway firmware"],"epss":{"score":0.99999,"percentile":0.99998,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19781"},"exploits":{"count":3,"verified":false,"firstPublished":"2020-01-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":47930,"kind":"exploit","title":"Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal","url":"https://www.exploit-db.com/exploits/47930","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/47930.txt","file":"exploits/multiple/webapps/47930.txt","published":"2020-01-16","added":"2020-01-16","updated":"2020-01-16","author":"Dhiraj Mishra","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2019-19781"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":47913,"kind":"exploit","title":"Citrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/47913","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/47913.rb","file":"exploits/multiple/webapps/47913.rb","published":"2020-01-13","added":"2020-01-13","updated":"2020-01-15","author":"mekhalleh","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2019-19781"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":47901,"kind":"exploit","title":"Citrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC)","url":"https://www.exploit-db.com/exploits/47901","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/47901.sh","file":"exploits/multiple/webapps/47901.sh","published":"2020-01-11","added":"2020-01-11","updated":"2020-01-11","author":"Project Zero India","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2019-19781"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/projectzeroindia/CVE-2019-19781/blob/0d33ecf1841b90410813a0239be2fc08939da4c4/CVE-2019-19781.sh"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://forms.gle/eDf3DXZAv96oosfj6","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://support.citrix.com/article/CTX267027","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://twitter.com/bad_packets/status/1215431625766424576","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.kb.cert.org/vuls/id/619785","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://forms.gle/eDf3DXZAv96oosfj6","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.citrix.com/article/CTX267027","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/bad_packets/status/1215431625766424576","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/619785","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-19781","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."}