CVE-2023-37154

8.4 highEPSS 0.5%

High (8.4). EPSS 0.5% chance of exploitation in the next 30 days.

check_by_ssh in Nagios nagios-plugins 2.4.5 allows arbitrary command execution via ProxyCommand, LocalCommand, and PermitLocalCommand with \${IFS}. This has been categorized both as fixed in e8810de, and as intended behavior.

Severity

CVSS 3.1

8.4 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2024-10-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/monitoring-plugins/monitoring-plugins/security/advisories/GHSA-p3gv-vmpx-hhw4
https://github.com/nagios-plugins/nagios-plugins/commit/e8810de21be80148562b7e0168b0a62aeedffde6
https://joshua.hu/nagios-hacking-cve-2023-37154

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