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CVE-2016-0037

Status: ModifiedHigh (7.5)—

The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka "Microsoft Active Directory Federation Services Denial of Service Vulnerability."

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — Windows Server 2012

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-0037",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-02-10T11:59:03.453",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/82507",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034984",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-020",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/82507",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1034984",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-020",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka \"Microsoft Active Directory Federation Services Denial of Service Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "La implementación de autenticación basada en formularios en Active Directory Federation Services (ADFS) 3.0 en Microsoft Windows Server 2012 R2 permiten a atacantes remotos causar una denegación de servicio (interrupción de demonio) a través de datos manipulados, también conocida como \"Microsoft Active Directory Federation Services Denial of Service Vulnerability\"."
    }
  ],
  "lastModified": "2026-06-17T00:36:50.007",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:datacenter:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "32BCD530-F6E2-4F9B-AD4C-7DF2BED00296"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:essentials:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A1318333-EF3A-4DBA-8DD7-367BF843F70D"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:standard:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "74B5E7C1-6C1D-4605-91CF-AF105EFA678D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}