CVE-2021-43907 is a critical Remote Code Execution vulnerability affecting the Visual Studio Code WSL Extension on Microsoft Windows Subsystem for Linux. With a CVSS score of 9.8, it allows unauthenticated attackers to execute arbitrary code remotely with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no public exploit code available (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating high awareness. Although not listed on the KEV catalog, media reports suggest it was actively exploited as a zero-day in conjunction with other flaws.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.63.11CPE matchmatch criteria | cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:visual_studio_code:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.