CVE-2024-39537

MEDIUM

Junos OS Evolved on ACX 7000 Series Unauthenticated Info Disclosure & DoS via Open Ports

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA82997

Scores

CVSS v3 6.5
EPSS 0.0026
EPSS Percentile 49.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-923
Status published
Products (6)
juniper/junos_os_evolved 21.4 (14 CPE variants)
juniper/junos_os_evolved 22.2 (11 CPE variants)
juniper/junos_os_evolved 22.3 (10 CPE variants)
juniper/junos_os_evolved 22.4 (9 CPE variants)
juniper/junos_os_evolved 23.2 (4 CPE variants)
juniper/junos_os_evolved 23.4 (2 CPE variants)
Published Jul 11, 2024
Tracked Since Feb 18, 2026