Vulnerability · Published Sep 16, 2020 · Assigned by vmware

CVE-2020-3990

Medium 6.5

In plain English

A medium-severity security flaw in VMware Workstation and Horizon Client for Windows. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.3%top 74.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
n/a	VMware Workstation and Horizon Client for Windows	VMware Workstation (15.x), Horizon Client for Windows (5.x before 5.4.4)

References

https://www.vmware.com/security/advisories/VMSA-2020-0020.html x_refsource_MISC