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[email protected]CVE-2021-26431

HistoryAug 12, 2021 - 6:15 p.m.

CVE-2021-26431

2021-08-1218:15:08

[email protected]

web.nvd.nist.gov

102

cve-2021-26431

windows

recovery

environment

agent

elevation

privilege

vulnerability

nvd

4.6 Medium

CVSS2

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.4%

JSON

Windows Recovery Environment Agent Elevation of Privilege Vulnerability

Affected configurations

Vulners

NVD

Node

microsoftwindows_10_21h1Range10.0.0–10.0.19043.1165

microsoftwindows_10_2004Range10.0.0–10.0.19041.1165

microsoftwindows_server_version_2004Range10.0.0–10.0.19041.1165

microsoftwindows_10_20h2Range10.0.0–10.0.19042.1165

microsoftwindows_server_20h2Range10.0.0–10.0.19042.1165

VendorProductVersionCPE
microsoftwindows_10_21h1*cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
microsoftwindows_10_2004*cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
microsoftwindows_server_version_2004*cpe:2.3:o:microsoft:windows_server_version_2004:*:*:*:*:*:*:*:*
microsoftwindows_10_20h2*cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
microsoftwindows_server_20h2*cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_10_21h1	*	cpe:2.3:o:microsoft:windows_10_21h1::::::::
microsoft	windows_10_2004	*	cpe:2.3:o:microsoft:windows_10_2004::::::::
microsoft	windows_server_version_2004	*	cpe:2.3:o:microsoft:windows_server_version_2004::::::::
microsoft	windows_10_20h2	*	cpe:2.3:o:microsoft:windows_10_20h2::::::::
microsoft	windows_server_20h2	*	cpe:2.3:o:microsoft:windows_server_20h2::::::::

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 21H1",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1165:*:*:*:*:*:x64:*",
      "cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1165:*:*:*:*:*:arm64:*",
      "cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1165:*:*:*:*:*:x86:*"
    ],
    "platforms": [
      "x64-based Systems",
      "ARM64-based Systems",
      "32-bit Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19043.1165",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 2004",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1165:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19041.1165",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server version 2004",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1165:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19041.1165",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 20H2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1165:*:*:*:*:*:x86:*",
      "cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1165:*:*:*:*:*:arm64:*"
    ],
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19042.1165",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server version 20H2",
    "cpes": [
      "cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1165:*:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.19042.1165",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]