{
    "id": "CVE-2019-19781",
    "published": "2019-12-27 14:15:12",
    "last_modified": "2026-08-12 05:17:21",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-22",
    "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.",
    "epss_score": "0.99999",
    "epss_percentile": "0.99998",
    "kev": 1,
    "kev_due": "2022-05-03",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:25:10",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-03."
    },
    "products": [
        {
            "vendor": "citrix",
            "product": "application_delivery_controller"
        },
        {
            "vendor": "citrix",
            "product": "application_delivery_controller_firmware"
        },
        {
            "vendor": "citrix",
            "product": "gateway"
        },
        {
            "vendor": "citrix",
            "product": "gateway_firmware"
        },
        {
            "vendor": "citrix",
            "product": "netscaler_gateway"
        },
        {
            "vendor": "citrix",
            "product": "netscaler_gateway_firmware"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-19781",
        "date_added": "2021-11-03",
        "due_date": "2022-05-03",
        "vendor": "Citrix",
        "product": "Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance",
        "name": "Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability",
        "ransomware": 1
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "47930",
            "title": "Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal",
            "date": "2020-01-16",
            "url": "https://www.exploit-db.com/exploits/47930"
        },
        {
            "source": "exploit-db",
            "ref_id": "47913",
            "title": "Citrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit)",
            "date": "2020-01-13",
            "url": "https://www.exploit-db.com/exploits/47913"
        },
        {
            "source": "exploit-db",
            "ref_id": "47901",
            "title": "Citrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC)",
            "date": "2020-01-11",
            "url": "https://www.exploit-db.com/exploits/47901"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html",
        "http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html",
        "https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/",
        "https://forms.gle/eDf3DXZAv96oosfj6",
        "https://support.citrix.com/article/CTX267027",
        "https://twitter.com/bad_packets/status/1215431625766424576",
        "https://www.kb.cert.org/vuls/id/619785",
        "http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html",
        "http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html",
        "https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/",
        "https://forms.gle/eDf3DXZAv96oosfj6",
        "https://support.citrix.com/article/CTX267027",
        "https://twitter.com/bad_packets/status/1215431625766424576",
        "https://www.kb.cert.org/vuls/id/619785",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781"
    ]
}