Executive Summary

Informations
Name CVE-2020-7451 First vendor Publication 2020-04-28
Vendor Cve Last vendor Modification 2021-07-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
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

In FreeBSD 12.1-STABLE before r358739, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r358740, and 11.3-RELEASE before 11.3-RELEASE-p7, a TCP SYN-ACK or challenge TCP-ACK segment over IPv6 that is transmitted or retransmitted does not properly initialize the Traffic Class field disclosing one byte of kernel memory over the network.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7451

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 10

Sources (Detail)

Source Url
CONFIRM https://security.FreeBSD.org/advisories/FreeBSD-SA-20:04.tcp.asc

Alert History

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Date Informations
2021-08-05 01:40:38
  • Multiple Updates
2021-07-21 17:24:04
  • Multiple Updates
2021-05-04 13:55:33
  • Multiple Updates
2021-04-22 03:06:19
  • Multiple Updates
2020-05-23 02:40:39
  • First insertion