CVE-2020-3991 : VMware Horizon Client for Windows (5.x before 5.5.0) contains a denial-of-servic

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.

Published 2020-10-16 14:15:12

Updated 2020-10-23 19:10:19

Source VMware

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2020-3991

Vmware » Horizon Client
Versions from including (>=) 5.0.0 and before (<) 5.5.0
cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-3991

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3991

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.6	LOW	AV:L/AC:L/Au:N/C:N/I:P/A:P	3.9	4.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
7.1	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	1.8	5.2	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: High

References for CVE-2020-3991

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

VMSA-2020-0022
Patch;Vendor Advisory

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Vulnerability Details : CVE-2020-3991

Products affected by CVE-2020-3991

Exploit prediction scoring system (EPSS) score for CVE-2020-3991

CVSS scores for CVE-2020-3991

References for CVE-2020-3991