PT-2021-12946 · Juniper Networks · Junos

Published 2021-04-22 · Updated 2022-09-20 · CVE-2021-0233

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS on ACX500 Series, ACX4000 Series versions prior to 17.4R3-S2

Description: A vulnerability 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.

Recommendations: For versions prior to 17.4R3-S2, update to version 17.4R3-S2 or later to resolve the issue.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-794

CWE-400

Related Identifiers

CVE-2021-0233

Affected Products

Junos

References · 3

• https://kb.juniper.net/JSA11128 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0233 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0233 · Vendor Advisory