CVE-2024-39539

MEDIUM

Juniper Junos < 21.2 - Memory Leak

Title source: rule

Description

A Missing Release of Memory after Effective Lifetime vulnerability in Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS). In a subscriber management scenario continuous subscriber logins will trigger a memory leak and eventually lead to an FPC crash and restart. This issue affects Junos OS on MX Series: * All version before 21.2R3-S6, * 21.4 versions before 21.4R3-S6, * 22.1 versions before 22.1R3-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.

Scores

CVSS v3 5.3
EPSS 0.0015
EPSS Percentile 35.1%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-401
Status published

Affected Products (50)

juniper/junos < 21.2
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
... and 35 more

Timeline

Published Jul 11, 2024
Tracked Since Feb 18, 2026