CVE-2021-21999

CVSS V2 High 7.2 CVSS V3 High 7.8
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' in an unrestricted directory which would allow code to be executed with elevated privileges.
Overview
  • CVE ID
  • CVE-2021-21999
  • Assigner
  • security@vmware.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-23T12:15:07
  • Last Modified Date
  • 2022-07-12T17:42:04
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:* 1 OR 2.0 2.18.10
cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:* 1 OR 4 2103
cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:* 1 OR 12.0.0 12.0.1
cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:* 1 OR 11.0.0 11.2.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.vmware.com/security/advisories/VMSA-2021-0013.html Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-754/ Third Party Advisory VDB Entry
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:23 Added to TrackCVE
2022-12-05 04:52:09 2021-06-23T12:15Z 2021-06-23T12:15:07 CVE Published Date updated
2022-12-05 04:52:09 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-05 04:52:09 Analyzed Vulnerability Status updated