CVE-2021-21999: VMware Workstation Tools Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
First published: Wed Jun 23 2021(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the VGAuthService service. The issue results from the lack of proper validation of a user-supplied OpenSSL configuration file prior to using it. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Credit: security@vmware.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| VMware App Volumes | >=2.0<2.18.10 | |
| VMware App Volumes | >=4<2103 | |
| Vmware Remote Console | >=12.0.0<12.0.1 | |
| Vmware Tools | >=11.0.0<11.2.6 | |
| VMware Workstation |
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Reference Links
Frequently Asked Questions
What is CVE-2021-21999?
CVE-2021-21999 is a vulnerability that allows local attackers to escalate privileges on affected installations of VMware Workstation.
How can this vulnerability be exploited?
An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
What is the severity of CVE-2021-21999?
CVE-2021-21999 has a severity rating of 7.8, which is considered high.
Which software is affected by CVE-2021-21999?
VMware Workstation, VMware App Volumes, VMware Remote Console, and VMware Tools are affected by CVE-2021-21999.
How can I fix CVE-2021-21999?
Update to the latest version of VMware Workstation or apply the patches provided by VMware.
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