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MicrosoftCVE-2020-1391

HistoryJul 14, 2020 - 11:15 p.m.

CVE-2020-1391

2020-07-1423:15:15

microsoft

web.nvd.nist.gov

cve-2020-1391

windows

agent activation runtime

aarsvc

information disclosure

vulnerability

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.5

Confidence

High

EPSS

Percentile

9.5%

JSON

An information disclosure vulnerability exists when the Windows Agent Activation Runtime (AarSvc) fails to properly handle objects in memory, aka ‘Windows Agent Activation Runtime Information Disclosure Vulnerability’.

Affected configurations

Nvd

Node

microsoftwindows_10Match1903

microsoftwindows_10Match1909

microsoftwindows_10Match2004

microsoftwindows_server_2016Match1903

microsoftwindows_server_2016Match1909

microsoftwindows_server_2016Match2004

VendorProductVersionCPE
microsoftwindows_101903cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
microsoftwindows_101909cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
microsoftwindows_102004cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
microsoftwindows_server_20161903cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
microsoftwindows_server_20161909cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
microsoftwindows_server_20162004cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*

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_10	2004	cpe:2.3:o:microsoft:windows_10:2004:::::::*
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:::::::*
microsoft	windows_server_2016	2004	cpe:2.3:o:microsoft:windows_server_2016:2004:::::::*

CNA Affected

[
  {
    "product": "Windows 10 Version 2004 for 32-bit Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 2004 for ARM64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows 10 Version 2004 for x64-based Systems",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "product": "Windows Server, version 2004 (Server Core installation)",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  },
  {
    "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"
      }
    ]
  }
]