CVE-2024-39534CWE-697

Junos OS Evolved: Connections to the network and broadcast address accepted

Medium · published October 11, 2024

CVSS v4.0
5.3
EPSS
1%
Percentile
50.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00657 · 50.8th percentile
Weakness
CWE-697 · Incorrect Comparison
Published
2024-10-11T15:18Z
EPSS history
Timeline
  • 11 OCT 15:18Z
    Junos OS Evolved: Connections to the network and broadcast address accepted
    cvelistv5