Security readout for executives and security teams
This CVE affects Siemens SIMATIC S7-1500 PLC CPUs running firmware before 1.5.0. A remote attacker could send crafted ISO-TSAP packets and force the PLC into defect mode, causing denial of service. The business impact is process disruption where these controllers support operational technology. Exposure is limited to environments using Siemens SIMATIC S7-1500 CPU PLCs with firmware earlier than 1.5.0, especially if remote network traffic can reach the controller. The provided affected-product metadata is incomplete, so asset validation is required. Treat this as an OT availability risk, not a data-theft issue. Prioritize sites where S7-1500 PLCs control critical processes and where remote access to controller networks is possible. Mitigation focus: Identify SIMATIC S7-1500 CPUs and confirm firmware versions against Siemens SSA-456423.; Apply Siemens-recommended firmware updates or guidance for affected devices.; Limit untrusted network reachability to affected PLCs until vendor guidance is implemented..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2014-2257 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
- https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdfCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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