CVE-2018-4850

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Summary

CVECVE-2018-4850
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-05-16 17:29:00 UTC
Updated2019-10-09 23:41:00 UTC
DescriptionA vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens Simatic S7-400 - All All All
Hardware Siemens Simatic S7-400 - All All All
Hardware Siemens Simatic S7-400h - All All All
Hardware Siemens Simatic S7-400h - All All All
Operating System Siemens Simatic S7-400h Firmware All All All All
Operating System Siemens Simatic S7-400 Firmware All All All All
Operating System Siemens Simatic S7-400 Firmware All All All All
Operating System Siemens Simatic S7-400 Firmware All All All All

References

ReferenceSourceLinkTags
Siemens SIMATIC S7-400 CPU CVE-2018-4850 Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf CONFIRM cert-portal.siemens.com Vendor Advisory
CERT Services | Siemens Global Service | Siemens CONFIRM www.siemens.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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