CVE-2024-39534 MEDIUM

CVE-2024-39534: Junos OS Evolved: Connections to the network and broadcast address accepted

Vendor Juniper Networks
Product Junos OS Evolved
Weakness CWE-697
Published October 11, 2024
Last update October 11, 2024
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

An Incorrect Comparison vulnerability in the local address verification API of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker to create sessions or send traffic to the device using the network and broadcast address of the subnet assigned to an interface. This is unintended and unexpected behavior and can allow an attacker to bypass certain compensating controls, such as stateless firewall filters. This issue affects Junos OS Evolved:  * All versions before 21.4R3-S8-EVO,  * 22.2-EVO before 22.2R3-S4-EVO,  * 22.3-EVO before 22.3R3-S4-EVO,  * 22.4-EVO before 22.4R3-S3-EVO,  * 23.2-EVO before 23.2R2-S1-EVO,  * 23.4-EVO before 23.4R1-S2-EVO, 23.4R2-EVO.

Key dates

02Disclosure timeline

October 11, 2024 CVE published
October 11, 2024 Record updated