How severe is CVE-2018-17148?

CVE-2018-17148 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17148?

CVE-2018-17148 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17148?

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

When was CVE-2018-17148 published?

CVE-2018-17148 was published on 2019-06-19 and last updated on 2026-06-17.

CVE-2018-17148

CVE-2018-17148 is a critical-severity vulnerability in Nagios Nagios Xi with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Nagios Nagios Xi
Published: 2019-06-19
Last modified: 2026-06-17

Description

An Insufficient Access Control vulnerability (leading to credential disclosure) in coreconfigsnapshot.php (aka configuration snapshot page) in Nagios XI before 5.5.4 allows remote attackers to gain access to configuration files containing confidential credentials.

Frequently asked questions

What is CVE-2018-17148?: An Insufficient Access Control vulnerability (leading to credential disclosure) in coreconfigsnapshot.php (aka configuration snapshot page) in Nagios XI before 5.5.4 allows remote attackers to gain access to configuration files containing confidential credentials.
How severe is CVE-2018-17148?: CVE-2018-17148 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17148?: CVE-2018-17148 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17148 published?: CVE-2018-17148 was published on 2019-06-19 and last updated on 2026-06-17.

References

https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT

Affected products (1)

cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*

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