Vulnerability Name:

CVE-2020-0900 (CCN-178844)

Assigned:2019-11-04
Published:2020-04-14
Updated:2021-07-21
Summary:An elevation of privilege vulnerability exists when the Visual Studio Extension Installer Service improperly handles file operations, aka 'Visual Studio Extension Installer Service Elevation of Privilege Vulnerability'.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:L/UI:N/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:3.6 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
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-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-0900

Source: XF
Type: UNKNOWN
ms-visual-cve20200900-priv-esc(178844)

Source: CCN
Type: Microsoft Security TechCenter - April 2020
Visual Studio Extension Installer Service Elevation of Privilege Vulnerability

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:visual_studio_2015:update_3:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.5.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:visual_studio:2015:update_3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft visual studio 2015 update_3
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.0
    microsoft visual studio 2019 16.4
    microsoft visual studio 2019 16.5.0
    microsoft visual studio 2015 update_3
    microsoft visual studio 2017
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.0
    microsoft visual studio 2019 16.4
    microsoft visual studio 2019 16.5