CVE-2024-39537: Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network
First published: Thu 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.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper Networks Junos OS | <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 | >=23.4R1-S1-EVO<23.4R2-EVO |
Remedy
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.
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Reference Links
Frequently Asked Questions
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.
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.
Who is affected by CVE-2024-39537?
CVE-2024-39537 affects Juniper Networks Junos OS Evolved on the ACX 7000 Series devices.
Can CVE-2024-39537 be exploited remotely?
Yes, CVE-2024-39537 can be exploited by unauthenticated, network-based attackers.
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.
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