CVE-2021-25296 is an OS command injection vulnerability in Nagios XI versions up to 5.7.5, specifically within the windowswmi.inc.php file, due to insufficient sanitization of authenticated user input. This flaw carries a CVSS score of 8.8 (High), indicating that an authenticated attacker can achieve full compromise (confidentiality, integrity, availability) of the Nagios XI server with low attack complexity over the network. The vulnerability is actively exploited in the wild, with public exploit modules available in Metasploit and Nuclei, and has garnered significant community and media attention, including being added to CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.5.6, <= 5.7.5CPE matchmatch criteria | cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.