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445
VMScore

CVE-2018-4850

Published: 16/05/2018 Updated: 09/10/2019
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

A 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.

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siemens simatic_s7-400_firmware

siemens simatic_s7-400h_firmware

References

NVD-CWE-noinfohttps://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublicationshttps://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdfhttp://www.securityfocus.com/bid/104217https://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
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