How severe is CVE-2017-14312?

CVE-2017-14312 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14312?

CVE-2017-14312 affects Nagios Nagios Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14312?

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.

When was CVE-2017-14312 published?

CVE-2017-14312 was published on 2017-09-11 and last updated on 2026-06-17.

CVE-2017-14312

CVE-2017-14312 is a high-severity vulnerability in Nagios Nagios Core with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Nagios Nagios Core
Published: 2017-09-11
Last modified: 2026-06-17

Description

Nagios Core through 4.3.4 initially executes /usr/sbin/nagios as root but supports configuration options in which this file is owned by a non-root account (and similarly can have nagios.cfg owned by a non-root account), which allows local users to gain privileges by leveraging access to this non-root account.

Frequently asked questions

What is CVE-2017-14312?: Nagios Core through 4.3.4 initially executes /usr/sbin/nagios as root but supports configuration options in which this file is owned by a non-root account (and similarly can have nagios.cfg owned by a non-root account), which allows local users to gain privileges by leveraging access to this non-root account.
How severe is CVE-2017-14312?: CVE-2017-14312 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14312?: CVE-2017-14312 affects Nagios Nagios Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14312?: 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.
When was CVE-2017-14312 published?: CVE-2017-14312 was published on 2017-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nagios:nagios_core:*:*:*:*:*:*:*:*

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