Vulnerability Name:

CVE-2021-42319 (CCN-212880)

Assigned:2021-11-09
Published:2021-11-09
Updated:2021-11-15
Summary:Visual Studio 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:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
4.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-42319

Source: XF
Type: UNKNOWN
ms-visual-cve202142319-priv-esc(212880)

Source: CCN
Type: Microsoft Security TechCenter - November 2021
CVE-2021-42319 - Visual Studio Elevation of Privilege Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42319

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* (Version >= 15.0 and <= 15.9)
  • OR cpe:/a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* (Version >= 16.0 and <= 16.11)

    • Configuration CCN 1:
  • cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft visual studio 2017 *
    microsoft visual studio 2019 *
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.7