Juniper Junos OS up to 20.4R3-S1/21.2R3-S6/21.4R3-S5 on EX4300 Packet Forwarding Engine unusual condition

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Juniper Junos OS up to 20.4R3-S1/21.2R3-S6/21.4R3-S5 on EX4300 and classified as problematic. Affected by this issue is some unknown functionality of the component Packet Forwarding Engine. Such manipulation leads to unusual condition. This vulnerability is listed as CVE-2024-30384. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS up to 20.4R3-S1/21.2R3-S6/21.4R3-S5 on EX4300. It has been rated as problematic. Affected by this issue is an unknown code of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a unusual condition vulnerability. Using CWE to declare the problem leads to CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. Impacted is availability. CVE summarizes:

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.

The advisory is available at supportportal.juniper.net. This vulnerability is handled as CVE-2024-30384 since 03/26/2024. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 20.4R3-S10, 21.2R3-S7 or 21.4R3-S6 eliminates this vulnerability.

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Productinfo

Type

Router Operating System

Vendor

Juniper

Name

Junos OS

Version

License

commercial

Website

Vendor: https://www.juniper.net/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS 20.4R3-S10/21.2R3-S7/21.4R3-S6

Timelineinfo

03/26/2024 🔍
04/12/2024 +16 days 🔍
04/12/2024 +0 days 🔍
02/07/2025 +301 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA79186
Status: Confirmed

CVE: CVE-2024-30384 (🔍)
GCVE (CVE): GCVE-0-2024-30384
GCVE (VulDB): GCVE-100-260558

Entryinfo

Created: 04/12/2024 17:53
Updated: 02/07/2025 04:48
Changes: 04/12/2024 17:53 (65), 05/22/2024 09:13 (1), 02/07/2025 04:48 (14)
Complete: 🔍
Cache ID: 216::103