Executive Summary

Informations
Name CVE-2020-28393 First vendor Publication 2021-05-12
Vendor Cve Last vendor Modification 2021-05-21

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:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An unauthenticated remote attacker could create a permanent denial-of-service condition by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device on the SCALANCE XM-400, XR-500 (All versions prior to v6.4).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28393

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-682 Incorrect Calculation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 2
Os 1
Os 2
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

Source Url
MISC https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10

Alert History

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Date Informations
2022-12-20 01:49:47
  • Multiple Updates
2021-05-21 21:23:15
  • Multiple Updates
2021-05-13 17:22:46
  • Multiple Updates
2021-05-12 21:23:12
  • First insertion