CVE-2021-25298
Published · Updated
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 8.8epss 75%
from disclosure to weapon0 days
Published on NVDFeb 15
metasploitFeb 13
CISA KEV+337d
exploitation probability
75%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
2 public exploit(s)
Action required by CISAfederal deadline: 2022-02-01
Apply updates per vendor instructions.
In short
Nagios XI 5.7.5 allows authenticated users to inject operating system commands through a cloud-vm configuration wizard, potentially giving attackers complete control of the server.
Technical detail
OS command injection vulnerability in /usr/local/nagiosxi/html/includes/configwizards/cloud-vm/cloud-vm.inc.php exploitable via authenticated HTTP requests with unsanitized input parameters. Attack requires valid Nagios XI credentials; successful exploitation enables arbitrary command execution with server privileges.
Summary generated and translated by AI from the official description.
The full analysis of this CVE is available in Portuguese →
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/cloud-vm/cloud-vm.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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/apublic PoCs found — 2
cve_referencepacketstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.htmlunverifiedcve_referencepacketstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttps://assets.nagios.com/downloads/nagiosxi/versions.phphttps://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.mdhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25298https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and