Vulnerability Name:

CVE-2020-16855 (CCN-187342)

Assigned:2020-09-08
Published:2020-09-08
Updated:2021-07-21
Summary:An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka 'Microsoft Office Information Disclosure Vulnerability'.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-16855

Source: XF
Type: UNKNOWN
ms-office-cve202016855-info-disc(187342)

Source: CCN
Type: Microsoft Security TechCenter - September 2020
Microsoft Office Information Disclosure Vulnerability

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:office:2016:*:*:*:*:macos:*:*
  • OR cpe:/a:microsoft:office:2019:*:*:*:*:macos:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:office:2016:*:*:*:*:mac:*:*
  • OR cpe:/a:microsoft:office:2019:*:mac:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft office 2016
    microsoft office 2019
    microsoft office 2016
    microsoft office 2019