Executive Summary

Informations
Name CVE-2019-18948 First vendor Publication 2020-04-16
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: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

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18948

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 71

Sources (Detail)

Source Url
CONFIRM https://www.arista.com/en/support/advisories-notices/security-advisories/1029...

Alert History

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Date Informations
2022-01-27 01:37:49
  • Multiple Updates
2022-01-22 12:38:02
  • Multiple Updates
2021-12-16 01:38:29
  • Multiple Updates
2021-12-01 01:36:42
  • Multiple Updates
2021-08-05 01:33:15
  • Multiple Updates
2021-07-21 17:24:07
  • Multiple Updates
2021-05-04 13:32:01
  • Multiple Updates
2021-04-22 02:45:47
  • Multiple Updates
2020-05-23 02:27:27
  • First insertion