CVE-2021-21999

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

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

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 URL Logo [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
URL Logo MISC www.zerodayinitiative.com/advisories/ZDI-21-754/
VMSA-2021-0013 www.vmware.com
text/html
URL Logo MISC www.vmware.com/security/advisories/VMSA-2021-0013.html

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
ApplicationVmwareApp VolumesAllAllAllAll
ApplicationVmwareRemote ConsoleAllAllAllAll
ApplicationVmwareToolsAllAllAllAll
  • cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:*:
  • cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @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
Twitter Icon @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
Twitter Icon @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
Twitter Icon @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
Twitter Icon @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
Twitter Icon @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
Reddit Logo Icon /r/netcve CVE-2021-21999 2021-06-23 12:41:26
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