FKIE_CVE-2017-9785

Vulnerability from fkie_nvd - Published: 2017-07-20 12:29 - Updated: 2026-06-17 01:28
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.
References
security-alert@hpe.comhttps://github.com/NancyFx/Nancy/releases/tag/v1.4.4Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/NancyFx/Nancy/releases/tag/v1.4.4Release Notes, Third Party Advisory
Impacted products
Vendor Product Version
nancyfx nancy *
nancyfx nancy 2.0.0
nancyfx nancy 2.0.0
nancyfx nancy 2.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "NancyFX Framework Up to 2.0.0",
          "vendor": "NancyFX",
          "versions": [
            {
              "status": "affected",
              "version": "NancyFX Framework Up to 2.0.0"
            }
          ]
        }
      ],
      "source": "security-alert@hpe.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nancyfx:nancy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C54A1B53-D168-4227-90FD-D97F895367DF",
              "versionEndIncluding": "1.4.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nancyfx:nancy:2.0.0:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "47190699-3346-445E-BBFB-44A98C871A36",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nancyfx:nancy:2.0.0:barneyrubble:*:*:*:*:*:*",
              "matchCriteriaId": "BC055B23-F9E3-4AEA-B059-74CE27D24EC8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nancyfx:nancy:2.0.0:clinteastwood:*:*:*:*:*:*",
              "matchCriteriaId": "2DA014C4-2473-4021-9315-4A8D37A94E4F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie."
    },
    {
      "lang": "es",
      "value": "El archivo Csrf.cs en NancyFX Nancy anterior a la versi\u00f3n 1.4.4 y versi\u00f3n 2.x anterior a la 2.0-dangermouse, presenta una ejecuci\u00f3n de c\u00f3digo remota por medio de la deserializaci\u00f3n de datos JSON en una cookie CSRF."
    }
  ],
  "id": "CVE-2017-9785",
  "lastModified": "2026-06-17T01:28:53.900",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "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
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-07-20T12:29:00.187",
  "references": [
    {
      "source": "security-alert@hpe.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/NancyFx/Nancy/releases/tag/v1.4.4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/NancyFx/Nancy/releases/tag/v1.4.4"
    }
  ],
  "sourceIdentifier": "security-alert@hpe.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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