CVE-2025-61909 — Execution with Unnecessary Privileges in Icinga

CWE-250 — Execution with Unnecessary Privileges4 documents4 sources
Severity
4.0MEDIUMNVD
EPSS
0.0%
top 93.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Icinga Icinga2Icinga
Timeline
PublishedOct 16

Description

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.…

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H

Affected Packages3 packages

▶Debianicinga/icinga2< 2.15.1-1
▶CVEListV5icinga/icinga2>=2.10.0, < 2.13.13, >=2.14.0, < 2.14.7, >=2.15.0, < 2.15.1+2
▶NVDicinga/icinga2.10.0 — 2.13.13+2

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2025-61909: Icinga 2 is an open source monitoring system↗2025-10-16
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CVEList
Icinga 2 signals sent as root to processes based on PID file written by the Icinga 2 daemon user↗2025-10-16
▶

📋Vendor Advisories

1
Debian
CVE-2025-61909: icinga2 - Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14...↗2025
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CVE-2025-61909 — Execution with Unnecessary Privileges | cvebase