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MicrosoftCVE-2020-0981

HistoryApr 15, 2020 - 3:15 p.m.

CVE-2020-0981

2020-04-1515:15:18

CWE-863

microsoft

web.nvd.nist.gov

cve-2020-0981

windows

security

vulnerability

token relationships

sandbox escape

nvd

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

8.7

Confidence

High

EPSS

0.001

Percentile

17.0%

JSON

A security feature bypass vulnerability exists when Windows fails to properly handle token relationships.An attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape.The update addresses the vulnerability by correcting how Windows handles token relationships, aka ‘Windows Token Security Feature Bypass Vulnerability’.

Affected configurations

Nvd

Node

microsoftwindows_10Match1903

microsoftwindows_10Match1909

microsoftwindows_server_2016Match1903

microsoftwindows_server_2016Match1909

VendorProductVersionCPE
microsoftwindows_101903cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
microsoftwindows_101909cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
microsoftwindows_server_20161903cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
microsoftwindows_server_20161909cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_10	1903	cpe:2.3:o:microsoft:windows_10:1903:::::::*
microsoft	windows_10	1909	cpe:2.3:o:microsoft:windows_10:1909:::::::*
microsoft	windows_server_2016	1903	cpe:2.3:o:microsoft:windows_server_2016:1903:::::::*
microsoft	windows_server_2016	1909	cpe:2.3:o:microsoft:windows_server_2016:1909:::::::*

CNA Affected

[
  {
    "product": "Windows 10 Version 1909 for 32-bit Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 1909 for x64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 1909 for ARM64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows Server, version 1909 (Server Core installation)",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 1903 for 32-bit Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 1903 for x64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 1903 for ARM64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows Server, version 1903 (Server Core installation)",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  }
]