CVE-2021-1721 .NET Core and Visual Studio Denial of Service Vulnerability

2021-02-2523:01:26

microsoft

www.cve.org

cve-2021-1721 .net core visual studio dos

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

AI Score

6.9

Confidence

High

EPSS

0.003

Percentile

69.3%

JSON

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "16.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "PowerShell Core 7.1",
    "cpes": [
      "cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "7.1.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "PowerShell Core 7.0",
    "cpes": [
      "cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "7.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET Core 2.1",
    "cpes": [
      "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "2.1",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET Core 3.1",
    "cpes": [
      "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "3.1",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 5.0",
    "cpes": [
      "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "5.0.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "16.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2019 version 16.8",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "16.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "15.9.0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]