{
  "id": "CVE-2017-9805",
  "url": "https://spydr.io/cve/CVE-2017-9805",
  "published": "2017-09-15T19:29:00.237Z",
  "modified": "2026-06-17T01:28:57.493Z",
  "score": 8.1,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.99396,
  "epss_percentile": 0.99941,
  "exploited": true,
  "kev": {
    "added": "2021-11-03",
    "due": "2022-05-03",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Apache Struts Deserialization of Untrusted Data Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2017-9805"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Apache Software Foundation"
  ],
  "products": [
    "Apache Software Foundation Apache Struts"
  ],
  "cwes": [
    "CWE-502"
  ],
  "description": "The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.1,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/100609",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1039263",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1488482",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://cwiki.apache.org/confluence/display/WW/S2-052",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://lgtm.com/blog/apache_struts_CVE-2017-9805",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20170907-0001/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://struts.apache.org/docs/s2-052.html",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/42627/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.kb.cert.org/vuls/id/112992",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9805",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9805",
  "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."
    }
  ]
}