CVE-2021-21999

Severity CVSS v4.0:

Pending analysis

Type:

CWE-427 Uncontrolled Search Path Element

Publication date:

23/06/2021

Last modified:

12/07/2022

Description

VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to 12.0.1) , VMware App Volumes (2.x prior to 2.18.10 and 4 prior to 2103) contain a local privilege escalation vulnerability. An attacker with normal access to a virtual machine may exploit this issue by placing a malicious file renamed as `openssl.cnf&#39; in an unrestricted directory which would allow code to be executed with elevated privileges.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

7.20

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:vmware:app_volumes::::::::	2.0 (including)	2.18.10 (excluding)
cpe:2.3:a:vmware:app_volumes::::::::	4 (including)	2103 (excluding)
cpe:2.3:a:vmware:remote_console::::::windows::*	12.0.0 (including)	12.0.1 (excluding)
cpe:2.3:a:vmware:tools::::::windows::*	11.0.0 (including)	11.2.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-21999

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools