CVE-2024-47496 Information

Description

A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS allows a local low-privileged attacker to cause a Denial-of-Service (DoS).

When a specific command is executed the pfe crashes. This will cause traffic forwarding to be interrupted until the system self-recovers. Repeated execution will create a sustained DoS condition.

This issue only affects MX Series devices with Line cards MPC1-MPC9. This issue affects: Junos OS on MX Series:

All versions before 21.4R3-S9 
from 22.2 before 22.2R3-S5 
from 22.3 before 22.3R3-S4 
from 22.4 before 22.4R3-S2 
from 23.2 before 23.2R2-S1 
from 23.4 before 23.4R2.

CVSS Vector

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

Reference

https://supportportal.juniper.net/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5