CVE-2020-3991

Description

VMware Horizon Client for Windows (5.x before 5.5.0) contains a denial-of-service vulnerability due to a file system access control issue during install time. Successful exploitation of this issue may allow an attacker to overwrite certain admin privileged files through a symbolic link attack at install time. This will result into a denial-of-service condition on the machine where Horizon Client for Windows is installed.

7.1

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.04%

Vendor Advisory vmware.com

Affected: n/a VMware Horizon Client for Windows

References

Link	Tags
https://www.vmware.com/security/advisories/VMSA-2020-0022.html	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3991?: CVE-2020-3991 has been scored as a high severity vulnerability.
How to fix CVE-2020-3991?: To fix CVE-2020-3991, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3991 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-3991 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3991?: CVE-2020-3991 affects n/a VMware Horizon Client for Windows.

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