How severe is CVE-2019-8917?

CVE-2019-8917 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-2019-8917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8917?

CVE-2019-8917 affects Solarwinds Orion Network Performance Monitor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8917?

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-2019-8917 published?

CVE-2019-8917 was published on 2019-02-18 and last updated on 2026-06-17.

CVE-2019-8917

CVE-2019-8917 is a critical-severity vulnerability in Solarwinds Orion Network Performance Monitor with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 36% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 36% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Solarwinds Orion Network Performance Monitor
Published: 2019-02-18
Last modified: 2026-06-17

Description

SolarWinds Orion NPM before 12.4 suffers from a SYSTEM remote code execution vulnerability in the OrionModuleEngine service. This service establishes a NetTcpBinding endpoint that allows remote, unauthenticated clients to connect and call publicly exposed methods. The InvokeActionMethod method may be abused by an attacker to execute commands as the SYSTEM user.

Frequently asked questions

What is CVE-2019-8917?: SolarWinds Orion NPM before 12.4 suffers from a SYSTEM remote code execution vulnerability in the OrionModuleEngine service. This service establishes a NetTcpBinding endpoint that allows remote, unauthenticated clients to connect and call publicly exposed methods. The InvokeActionMethod method may be abused by an attacker to execute commands as the SYSTEM user.
How severe is CVE-2019-8917?: CVE-2019-8917 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-2019-8917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8917?: CVE-2019-8917 affects Solarwinds Orion Network Performance Monitor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8917?: 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-2019-8917 published?: CVE-2019-8917 was published on 2019-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:orion_network_performance_monitor:*:*:*:*:*:*:*:*

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