Unrated severityNVD Advisory· Published Mar 24, 2014· Updated Jun 17, 2026

CVE-2014-2254

Description

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets, a different vulnerability than CVE-2014-2255.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Siemens Foundation/Simatic S7 CPU 1200 Firmware5 versions
cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*range: <=3.0.2
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:*
Siemens Foundation/Simatic S7 1200 CPU 1214c Firmware
cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:*
Siemens Foundation/Simatic S7 CPU 1215c
cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:*
Siemens Foundation/SIMATIC S7-1200llm-fuzzy
Range: <4.0

Patches

Vulnerability mechanics

References

www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdfnvdVendor Advisory
ics-cert.us-cert.gov/advisories/ICSA-14-079-02nvdUS Government Resource
cert-portal.siemens.com/productcert/pdf/ssa-654382.pdfnvd

News mentions

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