Is CVE-2017-9661 in the CISA KEV catalog?

No. CVE-2017-9661 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9661?

CVE-2017-9661 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2017-9661?

CVE-2017-9661 has an EPSS score of 1.36% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2017-9661?

No published fix for CVE-2017-9661 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2017-9661

HIGH

7.0

CVSS v3

NVD

Description

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.

CWE-427

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.36%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Mitigation1

ics-cert.us-cert.gov

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.