CVE-2024-30410 Information

Description

An Incorrect Behavior Order in the routing engine (RE) of Juniper Networks Junos OS on EX4300 Series allows traffic intended to the device to reach the RE instead of being discarded when the discard term is set in loopback (lo0) interface. The intended function is that the lo0 firewall filter takes precedence over the revenue interface firewall filter. 

This issue affects only IPv6 firewall filter.

This issue only affects the EX4300 switch. No other products or platforms are affected by this vulnerability. 

This issue affects Juniper Networks Junos OS:

All versions before 20.4R3-S10
from 21.2 before 21.2R3-S7
from 21.4 before 21.4R3-S6. 

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Reference

https://supportportal.juniper.net/JSA79100 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.8