CVE-2021-0233

Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets.

State: Published
Severity: 7.5 High
Published: Apr 22, 2021
Updated: Sep 16, 2024
Reserved: Oct 27, 2020

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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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-794 Incomplete Filtering of Multiple Instances of Special Elements
CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
Junos OSJuniper Networks	17.4 to before 17.4R3-S2Affected

References

https://kb.juniper.net/JSA11128

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