{
  "site": "https://pwn.watch",
  "generatedAt": "2026-10-22T19:58:23.236Z",
  "tag": {
    "id": "webshell",
    "label": "Webshell",
    "isStack": false,
    "url": "https://pwn.watch/t/webshell",
    "feed": "https://pwn.watch/t/webshell/feed.xml"
  },
  "counts": {
    "incidents": 1,
    "live": 0,
    "notFullyPatched": 0,
    "patched": 1
  },
  "incidents": [
    {
      "slug": "citrix-netscaler-rce-cve-2023-3519",
      "title": "NetScaler ADC/Gateway unauthenticated RCE (CVE-2023-3519)",
      "url": "https://pwn.watch/i/citrix-netscaler-rce-cve-2023-3519",
      "json": "https://pwn.watch/i/citrix-netscaler-rce-cve-2023-3519.json",
      "status": "closed",
      "severity": "critical",
      "patchStatus": "patched",
      "product": "Citrix NetScaler ADC and NetScaler Gateway",
      "tags": [
        "citrix",
        "netscaler",
        "zero-day",
        "rce",
        "webshell",
        "cisa-kev"
      ],
      "cveIds": [
        "CVE-2023-3519"
      ],
      "affectedVersions": [
        "NetScaler ADC and Gateway configured as a Gateway or AAA virtual server; exact builds: see vendor advisory"
      ],
      "fixedVersions": [
        "13.1-49.13",
        "13.0-91.13",
        "FIPS/NDcPP builds: see vendor advisory"
      ],
      "startedAt": "2023-07-18",
      "closedAt": "2023-07-20",
      "updatedAt": "2023-07-20",
      "summary": "An unauthenticated code injection in NetScaler ADC and Gateway was exploited as a zero-day to plant webshells, including on a US critical infrastructure organisation in June 2023. Citrix patched it on July 18, 2023.",
      "xPost": null
    }
  ],
  "posts": [],
  "changes": [
    {
      "incident": "citrix-netscaler-rce-cve-2023-3519",
      "incidentTitle": "NetScaler ADC/Gateway unauthenticated RCE (CVE-2023-3519)",
      "severity": "critical",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2023-07-20",
      "title": "CISA advisory AA23-201A: webshell dropped on a critical infrastructure organisation's NetScaler in June 2023",
      "body": null,
      "sourceUrl": "https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-201a",
      "url": "https://pwn.watch/i/citrix-netscaler-rce-cve-2023-3519"
    },
    {
      "incident": "citrix-netscaler-rce-cve-2023-3519",
      "incidentTitle": "NetScaler ADC/Gateway unauthenticated RCE (CVE-2023-3519)",
      "severity": "critical",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2023-07-19",
      "title": "CISA adds CVE-2023-3519 to the KEV catalog",
      "body": null,
      "sourceUrl": null,
      "url": "https://pwn.watch/i/citrix-netscaler-rce-cve-2023-3519"
    },
    {
      "incident": "citrix-netscaler-rce-cve-2023-3519",
      "incidentTitle": "NetScaler ADC/Gateway unauthenticated RCE (CVE-2023-3519)",
      "severity": "critical",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2023-07-18",
      "title": "Citrix publishes CTX561482 and fixed builds; exploits seen on unmitigated appliances",
      "body": null,
      "sourceUrl": "https://support.citrix.com/external/article/CTX561482/citrix-adc-and-citrix-gateway-security-b.html",
      "url": "https://pwn.watch/i/citrix-netscaler-rce-cve-2023-3519"
    }
  ]
}