CVE-2024-39537: Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network

Published Jul 11, 2024
·
Updated

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.

Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.

This issue affects Junos OS Evolved on ACX 7000 Series:

All versions before 21.4R3-S7-EVO, 22.2-EVO

versions

before 22.2R3-S4-EVO, 22.3-EVO versions before 22.3R3-S3-EVO, 22.4-EVO versions before 22.4R3-S2-EVO, 23.2-EVO versions before 23.2R2-EVO, 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.

Affected Software

60 affected components
Juniper Networks Junos OS Evolved<21.4R3-S7-EVO, <22.2R3-S4-EVO, <22.3R3-S3-EVO, <22.4R3-S2-EVO, <23.2R2-EVO, <23.4R1-S1-EVO
Juniper Networks Junos OS Evolved>=23.4R1-S1-EVO<23.4R2-EVO
All of the following
Any of the following
Juniper Junos OS Evolved<21.4
Juniper Junos OS Evolved=21.4
Juniper Junos OS Evolved=21.4-r1
Juniper Junos OS Evolved=21.4-r1-s1
Juniper Junos OS Evolved=21.4-r1-s2
Juniper Junos OS Evolved=21.4-r2
Juniper Junos OS Evolved=21.4-r2-s1
Juniper Junos OS Evolved=21.4-r2-s2
Juniper Junos OS Evolved=21.4-r3
Juniper Junos OS Evolved=21.4-r3-s1
Juniper Junos OS Evolved=21.4-r3-s2
Juniper Junos OS Evolved=21.4-r3-s3
Juniper Junos OS Evolved=21.4-r3-s4
Juniper Junos OS Evolved=21.4-r3-s5
Juniper Junos OS Evolved=21.4-r3-s6
Juniper Junos OS Evolved=22.2
Juniper Junos OS Evolved=22.2-r1
Juniper Junos OS Evolved=22.2-r1-s1
Juniper Junos OS Evolved=22.2-r1-s2
Juniper Junos OS Evolved=22.2-r2
Juniper Junos OS Evolved=22.2-r2-s1
Juniper Junos OS Evolved=22.2-r2-s2
Juniper Junos OS Evolved=22.2-r3
Juniper Junos OS Evolved=22.2-r3-s1
Juniper Junos OS Evolved=22.2-r3-s2
Juniper Junos OS Evolved=22.2-r3-s3
Juniper Junos OS Evolved=22.3
Juniper Junos OS Evolved=22.3-r1
Juniper Junos OS Evolved=22.3-r1-s1
Juniper Junos OS Evolved=22.3-r1-s2
Juniper Junos OS Evolved=22.3-r2
Juniper Junos OS Evolved=22.3-r2-s1
Juniper Junos OS Evolved=22.3-r2-s2
Juniper Junos OS Evolved=22.3-r3
Juniper Junos OS Evolved=22.3-r3-s1
Juniper Junos OS Evolved=22.3-r3-s2
Juniper Junos OS Evolved=22.4
Juniper Junos OS Evolved=22.4-r1
Juniper Junos OS Evolved=22.4-r1-s1
Juniper Junos OS Evolved=22.4-r1-s2
Juniper Junos OS Evolved=22.4-r2
Juniper Junos OS Evolved=22.4-r2-s1
Juniper Junos OS Evolved=22.4-r2-s2
Juniper Junos OS Evolved=22.4-r3
Juniper Junos OS Evolved=22.4-r3-s1
Juniper Junos OS Evolved=23.2
Juniper Junos OS Evolved=23.2-r1
Juniper Junos OS Evolved=23.2-r1-s1
Juniper Junos OS Evolved=23.2-r1-s2
Juniper Junos OS Evolved=23.4
Juniper Junos OS Evolved=23.4-r1
Juniper Junos OS Evolved=23.4-r2
Any of the following
Juniper Acx7020
Juniper ACX7024
Juniper ACX7024X
Juniper Acx7100
Juniper Acx7300
Juniper ACX7509

Remediation

Information

The following software releases have been updated to resolve this specific issue: 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-EVO, 23.4R1-S1-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.

Event History

Jul 11, 2024
CVE Published
via MITRE·04:14 PM
Data Sourced
via MITRE·04:14 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-39537?

CVE-2024-39537 has a moderate severity level that may lead to limited information disclosure or availability issues.

2

How do I fix CVE-2024-39537?

To fix CVE-2024-39537, upgrade your Junos OS Evolved to a version later than 23.4R1-S1-EVO.

3

Who is affected by CVE-2024-39537?

CVE-2024-39537 affects Juniper Networks Junos OS Evolved on the ACX 7000 Series devices.

4

Can CVE-2024-39537 be exploited remotely?

Yes, CVE-2024-39537 can be exploited by unauthenticated, network-based attackers.

5

What are the potential impacts of CVE-2024-39537?

The potential impacts of CVE-2024-39537 include limited information disclosure and availability disruptions to the device.

Contact

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