Security readout for executives and security teams
CVE-2011-4056 affects Siemens Tecnomatix FactoryLink systems that include ActBar.ocx. A remote attacker could abuse an ActiveX save method to create or overwrite files. The sources do not provide CVSS, confirmed exploitation, or a specific fix in the supplied bundle. Likely limited to legacy Siemens Tecnomatix FactoryLink deployments, especially engineering or operator workstations where ActBar.ocx is installed and usable through ActiveX-capable contexts. Treat this as a legacy industrial-control exposure requiring inventory and vendor-guidance review, not as confirmed active exploitation. Priority rises if affected FactoryLink workstations interact with untrusted content or cannot be isolated. Mitigation focus: Identify any FactoryLink 6.6.1, 7.5.217, or 8.0.2.54 installations.; Review Siemens and US-CERT guidance for official fixes or workarounds.; Restrict exposure of legacy engineering workstations to untrusted content..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2011-4056 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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