Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, and limited availability for affected systems. Impacting 3 products from schneider-electric, from schneider-electric, from schneider-electric organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-07-15T16:59:10.347

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	schneider-electric	m171	-	No
Hardware	schneider-electric	m172	-	No
Operating System	schneider-electric	somachine_hvac_firmware	≤ 2.0.2	Yes

References

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2016-161-01 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/91778 Third Party Advisory, VDB Entry ([email protected])
http://www.zerodayinitiative.com/advisories/ZDI-16-440 Third Party Advisory, VDB Entry ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-196-03 Mitigation, Third Party Advisory, US Government Resource ([email protected])
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2016-161-01 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/91778 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.zerodayinitiative.com/advisories/ZDI-16-440 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-196-03 Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.