CVE-2024-30384: Junos OS: EX4300 Series: If a specific CLI command is issued PFE crashes will occur

Published Apr 12, 2024
·
Updated

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on EX4300 Series allows a locally authenticated attacker with low privileges to cause a Denial-of-Service (Dos).

If a specific CLI command is issued, a PFE crash will occur. This will cause traffic forwarding to be interrupted until the system self-recovers.

This issue affects Junos OS:

All versions before 20.4R3-S10,

21.2 versions before 21.2R3-S7,

21.4 versions before 21.4R3-S6.

Affected Software

63 affected components
All of the following
Any of the following
Juniper JUNOS<20.4
Juniper JUNOS=20.4
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=20.4-r3
Juniper JUNOS=20.4-r3-s1
Juniper JUNOS=20.4-r3-s2
Juniper JUNOS=20.4-r3-s3
Juniper JUNOS=20.4-r3-s4
Juniper JUNOS=20.4-r3-s5
Juniper JUNOS=20.4-r3-s6
Juniper JUNOS=20.4-r3-s7
Juniper JUNOS=20.4-r3-s8
Juniper JUNOS=20.4-r3-s9
Juniper JUNOS=21.2
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.2-r1-s2
Juniper JUNOS=21.2-r2
Juniper JUNOS=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.2-r3-s2
Juniper JUNOS=21.2-r3-s3
Juniper JUNOS=21.2-r3-s4
Juniper JUNOS=21.2-r3-s5
Juniper JUNOS=21.2-r3-s6
Juniper JUNOS=21.4-r1
Juniper JUNOS=21.4-r1-s1
Juniper JUNOS=21.4-r1-s2
Juniper JUNOS=21.4-r2
Juniper JUNOS=21.4-r2-s1
Juniper JUNOS=21.4-r2-s2
Juniper JUNOS=21.4-r3
Juniper JUNOS=21.4-r3-s1
Juniper JUNOS=21.4-r3-s2
Juniper JUNOS=21.4-r3-s3
Juniper JUNOS=21.4-r3-s4
Juniper JUNOS=21.4-r3-s5
Any of the following
Juniper EX4300
Juniper Ex4300-24p
Juniper Ex4300-24p-s
Juniper Ex4300-24t
Juniper Ex4300-24t-s
Juniper Ex4300-32f
Juniper Ex4300-32f-dc
Juniper Ex4300-32f-s
Juniper Ex4300-48mp
Juniper Ex4300-48mp-s
Juniper Ex4300-48p
Juniper Ex4300-48p-s
Juniper Ex4300-48t
Juniper Ex4300-48t-afi
Juniper Ex4300-48t-dc
Juniper Ex4300-48t-dc-afi
Juniper Ex4300-48t-s
Juniper Networks Junos OS<20.4R3-S10
Juniper Networks Junos OS<21.2R3-S7
Juniper Networks Junos OS<21.4R3-S6

Remediation

Information

The following software releases have been updated to resolve this specific issue: 20.4R3-S10, 21.2R3-S7, 21.4R3-S6, and all subsequent releases of these branches.

Event History

Apr 12, 2024
CVE Published
via MITRE·03:22 PM
Data Sourced
via MITRE·03:22 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 21, 57075
Event
via NVD·07:21 PM
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Frequently Asked Questions

1

What is the severity of CVE-2024-30384?

CVE-2024-30384 has been assigned a CVSS score indicating a medium severity vulnerability with potential for Denial-of-Service.

2

How do I fix CVE-2024-30384?

To mitigate CVE-2024-30384, update Junos OS to the latest recommended version that addresses this vulnerability.

3

Who is affected by CVE-2024-30384?

CVE-2024-30384 affects Juniper Networks Junos OS running on EX4300 Series devices.

4

What type of vulnerability is CVE-2024-30384?

CVE-2024-30384 is categorized as an Improper Check for Unusual or Exceptional Conditions, leading to a Denial-of-Service.

5

Can CVE-2024-30384 be exploited by unauthenticated users?

No, CVE-2024-30384 requires a locally authenticated attacker with low privileges to exploit.

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