Security readout for executives and security teams
This flaw affects older Siemens engineering software used to configure industrial control systems. A local user could place a malicious DLL in a STEP7 project folder so the software loads it, potentially giving that user higher privileges on the engineering workstation. Exposure is most likely on legacy ICS engineering workstations running SIMATIC STEP7 before 5.5 SP1 or affected PCS7 environments. The provided data does not enumerate all affected Siemens products beyond PCS7 and other unspecified products. Prioritize remediation for operational technology environments still using legacy Siemens engineering stations. This is not evidenced as internet-exploited in the provided sources, but compromise of an engineering workstation can create serious operational and safety risk. Mitigation focus: Upgrade SIMATIC STEP7 to 5.5 SP1 or later where applicable.; Check Siemens advisory SSA-110665 for exact affected products and vendor guidance.; Restrict write access to STEP7 project folders and engineering workstations..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
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- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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Source materials
- CVE List V5 sourceCVE List V5
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