gsd-2020-0951
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement, aka 'Windows Defender Application Control Security Feature Bypass Vulnerability'.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2020-0951",
    "description": "A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement, aka \u0027Windows Defender Application Control Security Feature Bypass Vulnerability\u0027.",
    "id": "GSD-2020-0951"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-0951"
      ],
      "details": "A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement, aka \u0027Windows Defender Application Control Security Feature Bypass Vulnerability\u0027.",
      "id": "GSD-2020-0951",
      "modified": "2023-12-13T01:21:44.259660Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2020-0951",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Windows 10 Version 1803",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows 10 Version 1809",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2019",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2019 (Server Core installation)",
                    "version": {
                      "version_data": [
                        {
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                          "version_name": "10.0.0",
                          "version_value": "publication"
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                  },
                  {
                    "product_name": "Windows 10 Version 1909",
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                  },
                  {
                    "product_name": "Windows Server, version 1909 (Server Core installation)",
                    "version": {
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                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
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                  },
                  {
                    "product_name": "Windows 10 Version 1709 for 32-bit Systems",
                    "version": {
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                          "version_name": "10.0.0",
                          "version_value": "publication"
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                  },
                  {
                    "product_name": "Windows 10 Version 1709",
                    "version": {
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                          "version_name": "10.0.0",
                          "version_value": "publication"
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                    }
                  },
                  {
                    "product_name": "Windows 10 Version 1903 for 32-bit Systems",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
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                      ]
                    }
                  },
                  {
                    "product_name": "Windows 10 Version 1903 for x64-based Systems",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows 10 Version 1903 for ARM64-based Systems",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
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                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server, version 1903 (Server Core installation)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
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                      ]
                    }
                  },
                  {
                    "product_name": "Windows 10 Version 2004",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
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                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server version 2004",
                    "version": {
                      "version_data": [
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                          "version_name": "10.0.0",
                          "version_value": "publication"
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                    }
                  },
                  {
                    "product_name": "Windows 10 Version 1607",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2016",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2016 (Server Core installation)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "publication"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "PowerShell 7.0",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.0.0",
                          "version_value": "7.0.8"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "PowerShell 7.1",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.1.0",
                          "version_value": "7.1.5"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Microsoft"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "\u003cp\u003eA security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.\u003c/p\u003e\n"
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Security Feature Bypass"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951",
            "refsource": "MISC",
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "16FCAE14-281B-43BB-9AD3-D0BBB853959E",
                    "versionEndExcluding": "7.0.8",
                    "versionStartIncluding": "7.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*",
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                    "vulnerable": true
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                    "criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AAE74AF3-C559-4645-A6C0-25C3D647AAC8",
                    "vulnerable": true
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                ],
                "negate": false,
                "operator": "OR"
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            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "\u003cp\u003eA security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.\u003c/p\u003e\n"
          },
          {
            "lang": "es",
            "value": "Se presenta una vulnerabilidad de omisi\u00f3n de funciones de seguridad en  Windows Defender Application Control (WDAC) que podr\u00eda permitir a un atacante omitir la aplicaci\u00f3n de WDAC, tambi\u00e9n se conoce como \"Windows Defender Application Control Security Feature Bypass Vulnerability\""
          }
        ],
        "id": "CVE-2020-0951",
        "lastModified": "2023-12-31T22:15:48.593",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.2,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 5.9,
              "source": "secure@microsoft.com",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Secondary"
            }
          ]
        },
        "published": "2020-09-11T17:15:15.043",
        "references": [
          {
            "source": "secure@microsoft.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951"
          }
        ],
        "sourceIdentifier": "secure@microsoft.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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