FKIE_CVE-2019-9874

Vulnerability from fkie_nvd - Published: 2019-05-31 21:29 - Updated: 2025-11-07 19:36
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.
References
cve@mitre.orghttps://dev.sitecore.net/Downloads.aspxProduct, Vendor Advisory
cve@mitre.orghttps://www.synacktiv.com/blog.htmlThird Party Advisory
cve@mitre.orghttps://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdfExploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://dev.sitecore.net/Downloads.aspxProduct, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synacktiv.com/blog.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdfExploit, Patch, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874US Government Resource
Impacted products
Vendor Product Version
sitecore cms *
sitecore experience_platform *
To clipboard 

{
  "cisaActionDue": "2025-04-16",
  "cisaExploitAdd": "2025-03-26",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9B358977-D881-4B0A-8F4D-6D1B0BAAB665",
              "versionEndIncluding": "7.2",
              "versionStartIncluding": "7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BC833020-7B0B-4593-B4B5-C073F01CC0C2",
              "versionEndIncluding": "8.2",
              "versionStartIncluding": "7.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN."
    },
    {
      "lang": "es",
      "value": "La deserializaci\u00f3n de datos no seguros en el m\u00f3dulo Sitecore.Security.AntiCSRF (conocido como CSRF) en Sitecore CMS versi\u00f3n 7.0 hasta 7.2 y Sitecore XP veris\u00f3n 7.5 hasta 8.2, permite a un atacante no identificado ejecutar c\u00f3digo arbitrario mediante el env\u00edo un objeto .NET serializado en el par\u00e1metro __CSRFTOKEN como parte del par\u00e1metro POST de HTTP."
    }
  ],
  "id": "CVE-2019-9874",
  "lastModified": "2025-11-07T19:36:12.820",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2019-05-31T21:29:06.123",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "url": "https://dev.sitecore.net/Downloads.aspx"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/blog.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "url": "https://dev.sitecore.net/Downloads.aspx"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/blog.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.synacktiv.com/ressources/advisories/Sitecore_CSRF_deserialize_RCE.pdf"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9874"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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