cbcvebase.
CVE-2024-39539
published 2024-07-11

CVE-2024-39539: A Missing Release of Memory after Effective Lifetime vulnerability in Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to…

PriorityP424medium5.3CVSS 3.1
AVAACHPRNUINSUCNINAH
EPSS
0.22%
12.1th percentile
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.

Affected

17 ranges
VendorProductVersion rangeFixed in
juniperjunos< 21.221.2
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos_os
junipermx_series
juniper_networksjunos_os< 21.2R3-S621.2R3-S6
juniper_networksjunos_os>= 21.4 < 21.4R3-S621.4R3-S6
juniper_networksjunos_os>= 22.1 < 22.1R3-S522.1R3-S5
juniper_networksjunos_os>= 22.2 < 22.2R3-S322.2R3-S3
juniper_networksjunos_os>= 22.3 < 22.3R3-S222.3R3-S2
juniper_networksjunos_os>= 22.4 < 22.4R322.4R3
juniper_networksjunos_os>= 23.2 < 23.2R223.2R2

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.06.0MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.