CVE-2019-8917
SolarWinds Orion NPM before 12.4 suffers from a SYSTEM remote code execution vulnerability in the OrionModuleEngine service.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 36.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 36.45% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- solarwinds/orion network performance monitor
- Source
- cve@mitre.org
EPSS moved from 32.1% on 21 September 2026 to 36.4% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/107061Third Party Advisory, VDB Entry
- https://github.com/VerSprite/research/blob/master/advisories/VS-2019-001.mdThird Party Advisory
- http://www.securityfocus.com/bid/107061Third Party Advisory, VDB Entry
- https://github.com/VerSprite/research/blob/master/advisories/VS-2019-001.mdThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.