Executive Summary

Informations
Name CVE-2018-4850 First vendor Publication 2018-05-16
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4850

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 4
Os 3

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/104217
CONFIRM https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf
https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPu...

Alert History

If you want to see full details history, please login or register.
0
1
2
3
4
5
6
7
8
Date Informations
2020-09-19 01:23:03
  • Multiple Updates
2020-05-23 02:16:27
  • Multiple Updates
2020-05-23 01:14:18
  • Multiple Updates
2019-10-10 05:20:41
  • Multiple Updates
2019-10-03 09:21:17
  • Multiple Updates
2018-07-04 12:02:57
  • Multiple Updates
2018-06-20 21:20:36
  • Multiple Updates
2018-05-23 09:19:04
  • Multiple Updates
2018-05-16 21:19:34
  • First insertion