CVE-2019-5589
highpriority · track · 31EPSS 0.010 · 63 %ileEUUSEPSS · scored 2026-10-27
An Unsafe Search Path vulnerability in FortiClient Online Installer (Windows version before 6.0.6) may allow an unauthenticated, remote attacker with control over the directory in which FortiClientOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious .dll files in that directory.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- http://www.forticlient.com/cnnvd
- http://www.securityfocus.com/bid/108406cnnvd
- https://fortiguard.com/advisory/FG-IR-19-060cnnvd
- https://fortiguard.com/psirt/FG-IR-19-06cnnvd
- https://fortiguard.com/psirt/FG-IR-19-060cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-5589cnnvd
- https://vigilance.fr/vulnerability/Fortinet-FortiClient-executing-DLL-code-29347cnnvd
- https://www.auscert.org.au/bulletins/81226cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan