CVE-2021-25296
Nagios XI OS Command Injection
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Nagios XI, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Feb 1, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
Description
Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file /usr/local/nagiosxi/html/includes/configwizards/windowswmi/windowswmi.inc.php due to improper sanitization of authenticated user-controlled input by a single HTTP request, which can lead to OS command injection on the Nagios XI server.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Source |
|---|---|---|---|
| Nagios XI | Nagios | >= 5.5.6, <= 5.7.5 | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2021-25296 scored CVSS 8.8: Nagios Nagios XI, Nagios XI OS Command Injection
CISA lists this as exploited in the wild. Unpatched Nagios XI systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
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