These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
CVE-2021-25298 affects Nagios XI and is identified by CISA as a known exploited vulnerability. The official guidance in the supplied corpus is to apply updates per vendor instructions, making this a high-priority defensive item for any environment running Nagios XI.
CVE-2021-25297 is a Nagios XI OS command injection vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-01-18. Because it is listed in KEV, organizations should treat remediation as urgent and follow vendor update guidance without delay.
CVE-2021-25296 is an OS command injection vulnerability in Nagios XI. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-01-18, which means defenders should treat it as actively exploited risk and prioritize remediation. The source corpus indicates the required action is to apply updates per vendor instructions, with a CISA due date of 2022-02-01.
CVE-2019-15949 is a Nagios XI remote code execution vulnerability that CISA has listed in the Known Exploited Vulnerabilities catalog. Because it is marked as known exploited, defenders should treat unpatched Nagios XI deployments as a high-priority remediation item and apply vendor updates as soon as possible.