Executive Summary

Informations
Name CVE-2023-44203 First vendor Publication 2023-10-13
Vendor Cve Last vendor Modification 2023-10-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Adjacent 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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).

When a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.

This issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.

This issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:

* All versions prior to 20.4R3-S5;
* 21.1 versions prior to 21.1R3-S4;
* 21.2 versions prior to 21.2R3-S3;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S2;
* 22.1 versions prior to 22.1R3;
* 22.2 versions prior to 22.2R3;
* 22.3 versions prior to 22.3R2.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-44203

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Hardware 1
Os 1023

Sources (Detail)

Source Url
MISC https://supportportal.juniper.net/JSA73169

Alert History

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Date Informations
2024-02-02 02:48:47
  • Multiple Updates
2024-02-01 12:31:09
  • Multiple Updates
2023-10-20 21:27:31
  • Multiple Updates
2023-10-19 21:27:35
  • Multiple Updates
2023-10-14 03:07:45
  • Multiple Updates
2023-10-14 03:07:26
  • Multiple Updates
2023-10-13 17:27:43
  • Multiple Updates
2023-10-13 09:27:22
  • First insertion