CVE-2021-31956

CVSS V2 High 9.3 CVSS V3 High 7.8
Description
Windows NTFS Elevation of Privilege Vulnerability
Overview
  • CVE ID
  • CVE-2021-31956
  • Assigner
  • secure@microsoft.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-08T23:15:08
  • Last Modified Date
  • 2022-05-03T16:04:40
Weakness Enumerations
CWE URL
NVD-CWE-noinfo http://cwe.mitre.org/data/definitions/NVD-noinfo.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* 1 OR
cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-31956
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31956
History
Created Old Value New Value Data Type Notes
2022-05-08 06:19:45 Added to TrackCVE
2022-12-05 03:47:07 2021-06-08T23:15Z 2021-06-08T23:15:08 CVE Published Date updated
2022-12-05 03:47:07 2022-05-03T16:04:40 CVE Modified Date updated
2022-12-05 03:47:07 Analyzed Vulnerability Status updated