CVE-2024-39528

MEDIUM

Juniper Junos OS and Junos OS Evolved - Authenticated Denial of Service via Routing Protocol Daemon Use-After-Free

Title source: llm
STIX 2.1

Description

A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to cause a Denial of Service (DoS).On all Junos OS and Junos Evolved platforms, if a routing-instance deactivation is triggered, and at the same time a specific SNMP request is received, a segmentation fault occurs which causes rpd to crash and restart. This issue affects:    Junos OS: * All versions before 21.2R3-S8,  * 21.4 versions before 21.4R3-S5, * 22.2 versions before 22.2R3-S3, * 22.3 versions before 22.3R3-S2, * 22.4 versions before 22.4R3, * 23.2 versions before 23.2R2.   Junos OS Evolved: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S5-EVO, * 22.2-EVO versions before 22.2R3-S3-EVO,  * 22.3-EVO versions before 22.3R3-S2-EVO, * 22.4-EVO versions before 22.4R3-EVO, * 23.2-EVO versions before 23.2R2-EVO.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA82987

Scores

CVSS v3 5.7
EPSS 0.0041
EPSS Percentile 61.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (5)
juniper/junos 21.2 (15 CPE variants)
juniper/junos 21.4 (12 CPE variants)
juniper/junos 22.2 (10 CPE variants)
juniper/junos 22.3 (9 CPE variants)
juniper/junos 22.4 (4 CPE variants)
Published Jul 11, 2024
Tracked Since Feb 18, 2026