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MicrosoftCVE-2021-43877

HistoryDec 15, 2021 - 3:15 p.m.

CVE-2021-43877

2021-12-1515:15:10

microsoft

web.nvd.nist.gov

cve-2021-43877

nvd

asp.net core

visual studio

elevation of privilege

vulnerability

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

7.6

Confidence

High

EPSS

Percentile

9.5%

JSON

ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

Affected configurations

Nvd

Vulners

Node

microsoftasp.net_coreMatch3.1

microsoftasp.net_coreMatch5.0

microsoftasp.net_coreMatch6.0

microsoftvisual_studio_2019Match16.7

microsoftvisual_studio_2019Match16.9

microsoftvisual_studio_2019Match16.11

microsoftvisual_studio_2022Match17.0

VendorProductVersionCPE
microsoftasp.net_core3.1cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
microsoftasp.net_core5.0cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*
microsoftasp.net_core6.0cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*
microsoftvisual_studio_201916.7cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*
microsoftvisual_studio_201916.9cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*
microsoftvisual_studio_201916.11cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*
microsoftvisual_studio_202217.0cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	asp.net_core	3.1	cpe:2.3:a:microsoft:asp.net_core:3.1:::::::*
microsoft	asp.net_core	5.0	cpe:2.3:a:microsoft:asp.net_core:5.0:::::::*
microsoft	asp.net_core	6.0	cpe:2.3:a:microsoft:asp.net_core:6.0:::::::*
microsoft	visual_studio_2019	16.7	cpe:2.3:a:microsoft:visual_studio_2019:16.7:::::::*
microsoft	visual_studio_2019	16.9	cpe:2.3:a:microsoft:visual_studio_2019:16.9:::::::*
microsoft	visual_studio_2019	16.11	cpe:2.3:a:microsoft:visual_studio_2019:16.11:::::::*
microsoft	visual_studio_2022	17.0	cpe:2.3:a:microsoft:visual_studio_2022:17.0:::::::*

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": "16.7.23",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "15.0.0",
        "lessThan": "16.9.15",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "16.11.0",
        "lessThan": "16.11.8",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.0",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "17.0.0",
        "lessThan": "17.0.3",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 3.1",
    "cpes": [
      "cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "3.0",
        "lessThan": "3.1.22",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 5.0",
    "cpes": [
      "cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "5.0",
        "lessThan": "5.0.13",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "ASP.NET Core 6.0",
    "cpes": [
      "cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "6.0",
        "lessThan": "6.0.101",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.1",
    "cpes": [
      "cpe:2.3:a:microsoft:visual_studio_2022:17.1:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "17.0.0",
        "lessThan": "17.1.4",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]