CVE-2021-21999

Published on: 06/23/2021 12:00:00 AM UTC

Last Modified on: 07/12/2022 05:42:00 PM UTC

CVE-2021-21999

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of App Volumes from Vmware contain the following vulnerability:

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' in an unrestricted directory which would allow code to be executed with elevated privileges.

CVE-2021-21999 has been assigned by secu[email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
LOCAL	LOW	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 7.2 - HIGH

Access Vector^ⓘ	Access Complexity	Authentication
LOCAL	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
COMPLETE	COMPLETE	COMPLETE

CVE References

Description	Tags ^ⓘ	Link
ZDI-21-754 \| Zero Day Initiative	www.zerodayinitiative.com text/html	MISC www.zerodayinitiative.com/advisories/ZDI-21-754/
VMSA-2021-0013	www.vmware.com text/html	MISC www.vmware.com/security/advisories/VMSA-2021-0013.html

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Related QID Numbers

375665 VMware Tools Local Privilege Escalation Vulnerability (VMSA-2021-0013)
375922 VMware Remote Console Local Privilege Escalation Vulnerability (VMSA-2021-0013)
375939 VMware App Volumes Local Privilege Escalation Vulnerability (VMSA-2021-0013)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Vmware	App Volumes	All	All	All	All
Application	Vmware	Remote Console	All	All	All	All
Application	Vmware	Tools	All	All	All	All

cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:*:
cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:*:
cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@NormanOre	VMSA-2021-0013 CVSSv3 Range:7.8 Issue Date:2021-06-22 CVE(s): CVE-2021-21999 Synopsis: VMware Tools, VMRC and VM… twitter.com/i/web/status/1…	2021-06-22 22:17:27
@CVEreport	CVE-2021-21999 : VMware Tools for #Windows 11.x.y prior to 11.2.6 , VMware Remote Console for Windows 12.x prior… twitter.com/i/web/status/1…	2021-06-23 12:06:12
@TristanDostaler	VMware Tools for Windows, VMware Remote Console (VMRC) for Windows and VMware App Volumes CVE-2021-21999 CVSS 7.8 p… twitter.com/i/web/status/1…	2021-06-23 12:50:50
@threatmeter	CVE-2021-21999 VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to… twitter.com/i/web/status/1…	2021-06-24 07:10:43
@tempest_sec	As vulnerabilidades foram catalogadas como CVE-2021-21999 (CVSS 7.8) em todos os softwares e, segundo o fabricante,… twitter.com/i/web/status/1…	2021-06-24 12:56:06
@cKure7	■■■■□ CVE-2021-21999: VMware Workstation Tools Uncontrolled Search Path Element Local Privilege Escalation Vulnerab… twitter.com/i/web/status/1…	2021-06-25 12:25:24
/r/netcve	CVE-2021-21999	2021-06-23 12:41:26