Vulnerability Name:

CVE-2020-0991 (CCN-178818)

Assigned:2019-11-04
Published:2020-04-14
Updated:2021-07-21
Summary:A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0760.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-0991

Source: XF
Type: UNKNOWN
ms-office-cve20200991-code-exec(178818)

Source: CCN
Type: Microsoft Security TechCenter - April 2020
Microsoft Access Remote Code Execution Vulnerability

Source: N/A
Type: Patch, Vendor Advisory
N/A

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:office:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:office:2010:sp2:x64:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2010:sp2:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2013:sp1:~~~rt~~:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:*:x64:*
  • 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_365_proplus:-:*:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:office_365_proplus:-:*:*:*:*:*:x64:*

  • * Denotes that component is vulnerable
    BACK
    microsoft office 2010 sp2
    microsoft office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2016
    microsoft office 2019
    microsoft office 365 proplus -
    microsoft office 2010 sp2
    microsoft office 2010 sp2
    microsoft office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2013 sp1
    microsoft office 2016
    microsoft office 2016
    microsoft office 2019
    microsoft office 2019
    microsoft office 365 proplus -
    microsoft office 365 proplus -