{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-21001",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-21001",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2021-05-24T11:05:06.147Z",
    "updatedAt": "2024-09-16T16:19:02.930Z",
    "importedAt": "2026-10-24T01:56:26.894Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "WAGO: PFC200 Access to files outside the home directory",
      "summary": "On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.",
      "affected": [
        {
          "vendor": "WAGO",
          "product": "Series PFC200 Controller",
          "versions": [
            {
              "version": "750-823",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW07"
            },
            {
              "version": "750-829",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-831/000-00x",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-832/000-00x",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW06"
            },
            {
              "version": "750-852",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-862",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW07"
            },
            {
              "version": "750-880/0xx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW15"
            },
            {
              "version": "750-881",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-882",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-885/0xx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-889",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW14"
            },
            {
              "version": "750-890/0xx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW07"
            },
            {
              "version": "750-891",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW07"
            },
            {
              "version": "750-893",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "FW07"
            }
          ]
        },
        {
          "vendor": "WAGO",
          "product": "Series Ethernet Controller",
          "versions": [
            {
              "version": "750-8202/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8203/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8204/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8206/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8207/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8208/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8210/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8211/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8212/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8213/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8214/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8216/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            },
            {
              "version": "750-8217/xxx-xxx",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "03.06.19 (18)"
            }
          ]
        }
      ]
    }
  }
}