CVE-2021-42311 is a critical Remote Code Execution vulnerability affecting Microsoft Defender for IoT. This flaw allows an unauthenticated attacker to execute arbitrary code remotely with high privileges, posing a severe risk to affected systems. With a CVSS score of 10.0, it represents a complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered significant community discussion and media coverage, indicating high awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.5.2CPE matchmatch criteria | cpe:2.3:a:microsoft:defender_for_iot:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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.