CVE-2024-39539
MEDIUMJuniper Junos OS MX Series DoS via Subscriber Login Memory Leak
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA82999
Scores
CVSS v3
5.3
EPSS
0.0015
EPSS Percentile
34.9%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-401
Status
published
Products (5)
juniper/junos
21.2 (13 CPE variants)
juniper/junos
21.4 (13 CPE variants)
juniper/junos
22.1 (12 CPE variants)
juniper/junos
22.2 (10 CPE variants)
juniper/junos
22.3 (2 CPE variants)
Published
Jul 11, 2024
Tracked Since
Feb 18, 2026