How severe is CVE-2023-37154?

CVE-2023-37154 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-37154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-37154 have an EU (EUVD) identifier?

Yes. CVE-2023-37154 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41074.

When was CVE-2023-37154 published?

CVE-2023-37154 was published on 2024-10-09 and last updated on 2026-06-17.

CVE-2023-37154

CVE-2023-37154 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-41074
Weakness: CWE-77
Published: 2024-10-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-37154?: 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.
How severe is CVE-2023-37154?: CVE-2023-37154 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-37154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-37154 have an EU (EUVD) identifier?: Yes. CVE-2023-37154 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41074.
When was CVE-2023-37154 published?: CVE-2023-37154 was published on 2024-10-09 and last updated on 2026-06-17.

References

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