Vulnerability Details CVE-2025-61909
Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14.7, and 2.13.13, the safe-reload script (also used during systemctl reload icinga2) and logrotate configuration shipped with Icinga 2 read the PID of the main Icinga 2 process from a PID file writable by the daemon user, but send the signal as the root user. This can allow the Icinga user to send signals to processes it would otherwise not permitted to. A fix is included in the following Icinga 2 versions: 2.15.1, 2.14.7, and 2.13.13.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.7%
CVSS Severity
CVSS v3 Score 4.4
References
- https://github.com/Icinga/icinga2/commit/51ec73cbd922a76fc0f60e1d8d33acd7caa5d587
- https://github.com/Icinga/icinga2/issues/10527
- https://github.com/Icinga/icinga2/security/advisories/GHSA-pg6g-g99v-mw46
- https://icinga.com/blog/releasing-icinga-2-v2-15-1-2-14-7-and-2-13-13-and-icinga-db-web-v1-2-3-and-1-1-4
Products affected by CVE-2025-61909
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cpe:2.3:a:icinga:icinga:2.10.0
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cpe:2.3:a:icinga:icinga:2.10.1
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cpe:2.3:a:icinga:icinga:2.10.2
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cpe:2.3:a:icinga:icinga:2.10.3
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cpe:2.3:a:icinga:icinga:2.10.4
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cpe:2.3:a:icinga:icinga:2.10.5
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cpe:2.3:a:icinga:icinga:2.10.6
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cpe:2.3:a:icinga:icinga:2.10.7
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cpe:2.3:a:icinga:icinga:2.11.0
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cpe:2.3:a:icinga:icinga:2.11.1
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cpe:2.3:a:icinga:icinga:2.11.10
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cpe:2.3:a:icinga:icinga:2.11.11
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cpe:2.3:a:icinga:icinga:2.11.12
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cpe:2.3:a:icinga:icinga:2.11.2
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cpe:2.3:a:icinga:icinga:2.11.3
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cpe:2.3:a:icinga:icinga:2.11.4
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cpe:2.3:a:icinga:icinga:2.11.5
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cpe:2.3:a:icinga:icinga:2.11.6
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cpe:2.3:a:icinga:icinga:2.11.7
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cpe:2.3:a:icinga:icinga:2.11.8
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cpe:2.3:a:icinga:icinga:2.11.9
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cpe:2.3:a:icinga:icinga:2.12.0
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cpe:2.3:a:icinga:icinga:2.12.1
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cpe:2.3:a:icinga:icinga:2.12.10
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cpe:2.3:a:icinga:icinga:2.12.11
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cpe:2.3:a:icinga:icinga:2.12.12
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cpe:2.3:a:icinga:icinga:2.12.2
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cpe:2.3:a:icinga:icinga:2.12.3
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cpe:2.3:a:icinga:icinga:2.12.4
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cpe:2.3:a:icinga:icinga:2.12.5
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cpe:2.3:a:icinga:icinga:2.12.6
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cpe:2.3:a:icinga:icinga:2.12.7
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cpe:2.3:a:icinga:icinga:2.12.8
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cpe:2.3:a:icinga:icinga:2.12.9
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cpe:2.3:a:icinga:icinga:2.13.0
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cpe:2.3:a:icinga:icinga:2.13.1
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cpe:2.3:a:icinga:icinga:2.13.10
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cpe:2.3:a:icinga:icinga:2.13.11
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cpe:2.3:a:icinga:icinga:2.13.12
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cpe:2.3:a:icinga:icinga:2.13.2
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cpe:2.3:a:icinga:icinga:2.13.3
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cpe:2.3:a:icinga:icinga:2.13.4
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cpe:2.3:a:icinga:icinga:2.13.5
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cpe:2.3:a:icinga:icinga:2.13.6
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cpe:2.3:a:icinga:icinga:2.13.7
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cpe:2.3:a:icinga:icinga:2.13.8
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cpe:2.3:a:icinga:icinga:2.13.9
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cpe:2.3:a:icinga:icinga:2.14.0
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cpe:2.3:a:icinga:icinga:2.14.1
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cpe:2.3:a:icinga:icinga:2.14.2
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cpe:2.3:a:icinga:icinga:2.14.3
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cpe:2.3:a:icinga:icinga:2.14.4
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cpe:2.3:a:icinga:icinga:2.14.5
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cpe:2.3:a:icinga:icinga:2.14.6
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cpe:2.3:a:icinga:icinga:2.15.0