Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2024-47496

Disclosure Date: October 11, 2024
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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.

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • Juniper Networks

Products

  • Junos OS

Additional Info

Technical Analysis