Denial-of-Service Vulnerability in VMware Horizon Client for Windows
CVE-2020-3991

7.1HIGH

Key Information:

Vendor

Vmware
Status
Vmware Horizon Client For Windows
Vendor
CVE Published:
16 October 2020

What is CVE-2020-3991?

VMware Horizon Client for Windows (5.0.x to 5.5.0) is susceptible to a denial-of-service vulnerability due to improper file system access control during installation. An attacker can exploit this weakness by performing a symbolic link attack that allows the overwriting of certain admin files. This exploitation can lead to a state where the system becomes unresponsive, significantly impacting service availability and user productivity.

Affected Version(s)

VMware Horizon Client for Windows VMware Horizon Client for Windows (5.x before 5.5.0)

References

https://www.vmware.com/security/advisories/VMSA-2020-0022...
x_refsource_MISC

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.