Denial of service in VMware Horizon Client for Windows
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-3991 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
VMware Horizon Client Client/Desktop applications / Software for system administration |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU47736
Risk: Low
CVSSv3.1: 5.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-3991
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a file system access control issue during install timet. A local user can overwrite certain admin privileged files through a symbolic link attack at install time and cause a denial of service condition.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Horizon Client: 5.0 - 5.4.4
External linkshttp://www.vmware.com/security/advisories/VMSA-2020-0022.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
