Security readout for executives and security teams
This CVE affects Siemens SIMATIC S7-1500 CPU PLCs running firmware before 1.5.0. A remote attacker could send crafted HTTP traffic that causes a denial of service by forcing the PLC into defect mode, potentially interrupting controlled industrial processes. Exposure is most likely in industrial environments using SIMATIC S7-1500 CPU PLCs with firmware older than 1.5.0, especially where the PLC HTTP interface is reachable from untrusted networks or poorly segmented OT networks. Prioritize remediation where affected PLCs support production, safety-adjacent, or high-availability processes. Even without confirmed active exploitation, a remote denial of service against PLCs can create material operational disruption. Mitigation focus: Upgrade affected SIMATIC S7-1500 CPU firmware to version 1.5.0 or later.; Review Siemens SSA-456423 for vendor-specific remediation and operational constraints.; Restrict HTTP access to PLCs to trusted engineering hosts only..
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-2014-2255 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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