CVE-2018-20434 is a critical command injection vulnerability affecting LibreNMS version 1.46, allowing remote attackers to execute arbitrary OS commands. The flaw stems from improper handling of the 'community' parameter during device creation, which can then be triggered by a subsequent request. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. Exploit code is publicly available, including Metasploit modules and ExploitDB entries, and it has garnered significant community discussion, indicating a high likelihood of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.46CPE matchmatch criteria | cpe:2.3:a:librenms:librenms:1.46:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
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.