CVE-2021-25297VulnerabilityPublished 01/18/2022Updated 10/24/2026

CVE-2021-25297: Nagios XI OS Command Injection

Affects Nagios Nagios XISource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 01/18/2022
KEV deadline: 02/01/2022
EPSS: 56.7% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2021-25297 (opens in a new tab)

Description

Nagios XI contains a vulnerability identified as CVE-2021-25297 that allows OS command injection on the Nagios XI server. This vulnerability has been exploited in the wild. No specific affected versions or patch information are provided in the available data.

Summary

CVE-2021-25297 is an OS command injection vulnerability in Nagios XI. This flaw allows an attacker to execute arbitrary operating system commands on the Nagios XI server, potentially leading to full system compromise. The vulnerability has been confirmed to be exploited in the wild. No detailed information about affected versions or remediation status is provided in the input data.

Impact

Successful exploitation of this vulnerability can allow an attacker to execute arbitrary OS commands on the Nagios XI server, which may lead to unauthorized access, data compromise, or disruption of service. The vulnerability is known to be exploited in the wild, indicating active threat activity targeting affected systems.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Nagios official channels for updates and apply any available patches promptly once released.

CVE-2021-25297: Nagios XI OS Command Injection

What to do

Description

Summary

Impact

Mitigation

Weaknesses

References

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 09:57:19 UTC

Weaknesses

References

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