CVE-2024-39539 Information

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.

CVSS Vector

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

Reference

https://supportportal.juniper.net/JSA82999

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.3