{
  "id": "CVE-2017-11357",
  "url": "https://spydr.io/cve/CVE-2017-11357",
  "published": "2017-08-23T17:29:00.227Z",
  "modified": "2026-08-14T05:16:54.257Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.77679,
  "epss_percentile": 0.99557,
  "exploited": true,
  "kev": {
    "added": "2023-01-26",
    "due": "2023-02-16",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Known",
    "name": "Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability",
    "notes": "https://docs.telerik.com/devtools/aspnet-ajax/knowledge-base/asyncupload-insecure-direct-object-reference; https://nvd.nist.gov/vuln/detail/CVE-2017-11357"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "progress"
  ],
  "products": [
    "progress telerik ui for asp.net ajax"
  ],
  "cwes": [
    "CWE-434"
  ],
  "description": "Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/insecure-direct-object-reference",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/43874/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11357",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2017-11357",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}