CVE-2020-3990: Integer Overflow
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint component. A malicious actor with normal access to a virtual machine may be able to exploit this issue to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon Client.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-3990?
The severity of CVE-2020-3990 is medium.
Which software versions are affected by CVE-2020-3990?
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) are affected.
What is the vulnerability in CVE-2020-3990?
CVE-2020-3990 is an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint component.
How can an attacker exploit CVE-2020-3990?
A malicious actor with normal access to a virtual machine may be able to exploit this issue to leak memory.
Where can I find more information about CVE-2020-3990?
You can find more information about CVE-2020-3990 at the following link: [VMware Security Advisory VMSA-2020-0020](https://www.vmware.com/security/advisories/VMSA-2020-0020.html)