Executive Summary

Informations
Name CVE-2020-16843 First vendor Publication 2020-08-04
Vendor Cve Last vendor Modification 2020-08-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
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:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16843

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

Sources (Detail)

Source Url
MISC https://github.com/firecracker-microvm/firecracker/issues/2057
https://www.openwall.com/lists/oss-security/2020/08/13/1
MLIST http://www.openwall.com/lists/oss-security/2020/08/13/1

Alert History

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Date Informations
2021-05-04 13:50:07
  • Multiple Updates
2021-04-22 03:01:37
  • Multiple Updates
2020-09-03 01:29:48
  • Multiple Updates
2020-08-13 21:23:16
  • Multiple Updates
2020-08-13 17:22:53
  • Multiple Updates
2020-08-07 00:23:05
  • Multiple Updates
2020-08-05 05:22:55
  • First insertion