CVE-2024-39548

HIGH

Juniper Junos OS Evolved Multiple Versions - Unauthenticated DoS via Memory Consumption in aftmand

Title source: llm
STIX 2.1

Description

An Uncontrolled Resource Consumption vulnerability in the aftmand process of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to consume memory resources, resulting in a Denial of Service (DoS) condition. The processes do not recover on their own and must be manually restarted. This issue affects both IPv4 and IPv6.  Changes in memory usage can be monitored using the following CLI command: user@device> show system memory node <fpc slot> | grep evo-aftmann This issue affects Junos OS Evolved:  * All versions before 21.2R3-S8-EVO,  * 21.3 versions before 21.3R3-S5-EVO,  * 21.4 versions before 21.4R3-S5-EVO,  * 22.1 versions before 22.1R3-S4-EVO,  * 22.2 versions before 22.2R3-S4-EVO, * 22.3 versions before 22.3R3-S3-EVO, * 22.4 versions before 22.4R2-S2-EVO, 22.4R3-EVO,  * 23.2 versions before 23.2R1-S1-EVO, 23.2R2-EVO.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA83010

Scores

CVSS v3 7.5
EPSS 0.0046
EPSS Percentile 64.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (5)
juniper/junos_os_evolved 21.2 (15 CPE variants)
juniper/junos_os_evolved 21.3 (11 CPE variants)
juniper/junos_os_evolved 21.4 (12 CPE variants)
juniper/junos_os_evolved 22.1 (10 CPE variants)
juniper/junos_os_evolved 22.2 (2 CPE variants)
Published Jul 11, 2024
Tracked Since Feb 18, 2026