How severe is CVE-2016-4529?

CVE-2016-4529 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2016-4529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4529?

CVE-2016-4529 affects Schneider-electric Somachine Hvac Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4529?

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-2016-4529 published?

CVE-2016-4529 was published on 2016-07-15 and last updated on 2026-06-17.

CVE-2016-4529

CVE-2016-4529 is a high-severity vulnerability in Schneider-electric Somachine Hvac Firmware with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Schneider-electric Somachine Hvac Firmware
Published: 2016-07-15
Last modified: 2026-06-17

Description

An unspecified ActiveX control in Schneider Electric SoMachine HVAC Programming Software for M171/M172 Controllers before 2.1.0 allows remote attackers to execute arbitrary code via unknown vectors, related to the INTERFACESAFE_FOR_UNTRUSTED_CALLER (aka safe for scripting) flag.

Frequently asked questions

What is CVE-2016-4529?: An unspecified ActiveX control in Schneider Electric SoMachine HVAC Programming Software for M171/M172 Controllers before 2.1.0 allows remote attackers to execute arbitrary code via unknown vectors, related to the INTERFACESAFE_FOR_UNTRUSTED_CALLER (aka safe for scripting) flag.
How severe is CVE-2016-4529?: CVE-2016-4529 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2016-4529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4529?: CVE-2016-4529 affects Schneider-electric Somachine Hvac Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4529?: 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-2016-4529 published?: CVE-2016-4529 was published on 2016-07-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:schneider-electric:somachine_hvac_firmware:*:*:*:*:*:*:*:*