CVE-2020-3991 is a denial-of-service vulnerability affecting VMware Horizon Client for Windows versions 5.x before 5.5.0. It stems from a file system access control issue during installation, allowing a local attacker with low privileges to overwrite administrative files via a symbolic link attack. This can lead to a denial-of-service condition on the affected machine. The vulnerability has a CVSS score of 7.1 (High), indicating a local attack vector with low complexity and high impact on integrity and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, < 5.5.0CPE matchmatch criteria | cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.