Description
A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://kb.juniper.net/JSA11128
Scores
CVSS v3
7.5
EPSS
0.0054
EPSS Percentile
67.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-794
CWE-400
Status
published
Products (1)
juniper/junos
17.4 (23 CPE variants)
Published
Apr 22, 2021
Tracked Since
Feb 18, 2026