CVE-2021-25298 is a vulnerability in Nagios Xi
Published on February 15, 2021
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.
Known Exploited Vulnerability
This Nagios XI OS Command Injection vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.
The following remediation steps are recommended / required by February 1, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-25298 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2021-25298 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2021-25298
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.