An Uncontrolled Search Path Element issue was discovered in SIMPlight SCADA Software version 4.3.0.27 and prior.

published 2017-08-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18592

cvss: 7.0; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

An Uncontrolled Search Path Element issue was discovered in SIMPlight SCADA Software version 4.3.0.27 and prior. The uncontrolled search path element vulnerability has been identified, which may allow an attacker to place a malicious DLL file within the search path resulting in execution of arbitrary code.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-222-01 updated 2017-08-10 cvss 7.0

SIMPlight SCADA Software

SIMPlight SCADA Software <= 4.3.0.27
affected: mitigation “SIMPlight has not responded to requests to work with NCCIC/ICS-CERT to mitigate this vulnerability.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.0	CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	5.1	AV:N/AC:H/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

ics-cert.us-cert.gov /advisories/ICSA-17-222-01
mitigation, third-party-advisory, us-government-resource
securityfocus.com /bid/100263
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-9661
NVD CVE-2017-9661

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary