How severe is CVE-2017-7966?

CVE-2017-7966 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7966?

CVE-2017-7966 affects Schneider-electric Somachine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7966?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7966 published?

CVE-2017-7966 was published on 2017-06-07 and last updated on 2026-06-17.

CVE-2017-7966

CVE-2017-7966 is a high-severity vulnerability in Schneider-electric Somachine with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Schneider-electric Somachine
Published: 2017-06-07
Last modified: 2026-06-17

Description

A DLL Hijacking vulnerability in the programming software in Schneider Electric's SoMachine HVAC v2.1.0 allows a remote attacker to execute arbitrary code on the targeted system. The vulnerability exists due to the improper loading of a DLL.

Frequently asked questions

What is CVE-2017-7966?: A DLL Hijacking vulnerability in the programming software in Schneider Electric's SoMachine HVAC v2.1.0 allows a remote attacker to execute arbitrary code on the targeted system. The vulnerability exists due to the improper loading of a DLL.
How severe is CVE-2017-7966?: CVE-2017-7966 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7966?: CVE-2017-7966 affects Schneider-electric Somachine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7966 published?: CVE-2017-7966 was published on 2017-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:somachine:2.1.0:*:*:*:*:*:*:*

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