Vulnerability Name:

CVE-2020-16933 (CCN-189021)

Assigned:2020-10-13
Published:2020-10-13
Updated:2022-07-12
Summary:A security feature bypass vulnerability exists in Microsoft Word software when it fails to properly handle .LNK files, aka 'Microsoft Word Security Feature Bypass Vulnerability'.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-16933

Source: XF
Type: UNKNOWN
ms-word-cve202016933-sec-bypass(189021)

Source: CCN
Type: Microsoft Security TechCenter - October 2020
Microsoft Word Security Feature Bypass Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16933

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1903:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1909:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:2004:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_1909:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2004:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:microsoft:word:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:word:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:-:*:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:macos:*:*
  • OR cpe:/a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:macos:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:word:2010:sp2:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2010:sp2:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:mac:*:*
  • OR cpe:/a:microsoft:office:2019:*:~~~click-to-run~~:*:*:*:x32:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:click-to-run:*:x64:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:-:x64:*
  • OR cpe:/a:microsoft:office:2019:*:mac:*:*:*:*:*
  • OR cpe:/a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2012 r2
    microsoft windows 10 1607
    microsoft windows 8.1 -
    microsoft windows server 2016 -
    microsoft windows server 2008 - sp2
    microsoft windows 7 - sp1
    microsoft windows rt 8.1 -
    microsoft windows server 2012 -
    microsoft windows 10 -
    microsoft windows 10 1709
    microsoft windows 10 1803
    microsoft windows 10 1809
    microsoft windows 10 1903
    microsoft windows 10 1909
    microsoft windows 10 2004
    microsoft windows server 2016 1903
    microsoft windows server 2016 1909
    microsoft windows server 2016 2004
    microsoft windows server 2019 -
    microsoft word 2013 sp1
    microsoft word 2016
    microsoft word 2013 sp1
    microsoft word 2010 sp2
    microsoft office 2019
    microsoft office 2019
    microsoft 365 apps -
    microsoft office 2016
    microsoft word 2010 sp2
    microsoft word 2010 sp2
    microsoft word 2013 sp1
    microsoft word 2013 sp1
    microsoft word 2013 sp1
    microsoft word 2016
    microsoft word 2016
    microsoft office 2016
    microsoft office 2019
    microsoft office 2019
    microsoft office 2019
    microsoft office 2019
    microsoft 365 apps -