Unrated severityNVD Advisory· Published Mar 16, 2014· Updated Jun 17, 2026
CVE-2014-2255
CVE-2014-2255
Description
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:*range: <=1.1.2
- cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.1:*:*:*:*:*:*:*
- Range: <1.5.0
Patches
Vulnerability mechanics
References
3- www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdfnvdPatchVendor Advisory
- ics-cert.us-cert.gov/advisories/ICSA-14-073-01nvdUS Government Resource
- cert-portal.siemens.com/productcert/pdf/ssa-456423.pdfnvd
News mentions
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