How severe is CVE-2018-16146?

CVE-2018-16146 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16146?

CVE-2018-16146 affects Opsview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16146?

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-2018-16146 published?

CVE-2018-16146 was published on 2018-09-05 and last updated on 2026-06-17.

CVE-2018-16146

CVE-2018-16146 is a high-severity vulnerability in Opsview with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Opsview
Published: 2018-09-05
Last modified: 2026-06-17

Description

The web management console of Opsview Monitor 5.4.x before 5.4.2 provides functionality accessible by an authenticated administrator to test notifications that are triggered under certain configurable events. The value parameter is not properly sanitized, leading to arbitrary command injection with the privileges of the nagios user account.

Frequently asked questions

What is CVE-2018-16146?: The web management console of Opsview Monitor 5.4.x before 5.4.2 provides functionality accessible by an authenticated administrator to test notifications that are triggered under certain configurable events. The value parameter is not properly sanitized, leading to arbitrary command injection with the privileges of the nagios user account.
How severe is CVE-2018-16146?: CVE-2018-16146 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16146?: CVE-2018-16146 affects Opsview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16146?: 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-2018-16146 published?: CVE-2018-16146 was published on 2018-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opsview:opsview:*:*:*:*:*:*:*:*

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