CVE-2021-21388 is a critical command injection vulnerability affecting versions of the systeminformation library for Node.js prior to 5.6.4. This flaw allows unauthenticated attackers to execute arbitrary commands on the underlying system by injecting malicious input into various service parameters. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, immediate patching to version 5.6.4 or implementing input sanitization is strongly recommended.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.6.4CPE matchmatch criteria | cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/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.
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.