No exploitation reportedFix available

CVE-2019-8917

Q: Is CVE-2019-8917 actively exploited?

Active exploitation of CVE-2019-8917 has not been confirmed. Its EPSS score was 36.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-8917?

CVE-2019-8917 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-02-18
Fixed in12.4

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2019-02-1819:29CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-8917?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-8917?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Solarwinds orion network performance monitor

Branch	Affected	Fixed in	Source
12.4	< 12.4	12.4	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Solarwinds orion network performance monitor to 12.4

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
FIRST EPSSEPSS score36.4 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-02-18
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-8917?

Is CVE-2019-8917 actively exploited?

Active exploitation of CVE-2019-8917 has not been confirmed. Its EPSS score was 36.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8917?

CVE-2019-8917 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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