{
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          {
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          {
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                "options": [
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                  },
                  {
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                  },
                  {
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "Windows Server 2016",
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          "product": "Windows Server 2016 (Server Core installation)",
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        },
        {
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          "platforms": [
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          ],
          "product": "Windows Server 2008 Service Pack 2",
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          "versions": [
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          "product": "Windows Server 2008 R2 Service Pack 1",
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          "versions": [
            {
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        },
        {
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          "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
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          ]
        },
        {
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          ],
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          ],
          "product": "Windows Server 2012",
          "vendor": "Microsoft",
          "versions": [
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        },
        {
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          ],
          "product": "Windows Server 2012 (Server Core installation)",
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          "versions": [
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        },
        {
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          "platforms": [
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          ],
          "product": "Windows Server 2012 R2",
          "vendor": "Microsoft",
          "versions": [
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              "lessThan": "6.3.9600.20069",
              "status": "affected",
              "version": "6.3.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20069:*:*:*:*:*:x64:*"
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          ],
          "product": "Windows Server 2012 R2 (Server Core installation)",
          "vendor": "Microsoft",
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              "versionType": "custom"
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          ]
        },
        {
          "cpes": [
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          "platforms": [
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          ],
          "product": "Windows Server version 20H2",
          "vendor": "Microsoft",
          "versions": [
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              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2020-11-10T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD).\nTo exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it.\nThe update addresses this vulnerability by changing how the KDC validates service tickets used with KCD."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
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              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
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            {
              "description": "Security Feature Bypass",
              "lang": "en-US",
              "type": "Impact"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-10T15:51:56.659Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17049"
        },
        {
          "name": "[oss-security] 20211110 Fwd: Samba 4.15.2, 4.14.10, 4.13.14 Security Releases are available for Download",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/11/10/3"
        },
        {
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          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202309-06"
        }
      ],
      "title": "Kerberos KDC Security Feature Bypass Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2020-17049",
    "datePublished": "2020-11-11T00:00:00.000Z",
    "dateReserved": "2020-08-04T00:00:00.000Z",
    "dateUpdated": "2024-11-15T16:12:52.309Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}