CVE-2021-0233: Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets.
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.
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Frequently Asked Questions
What is the severity of CVE-2021-0233?
The severity of CVE-2021-0233 is critical as it can lead to a Denial of Service (DoS) affecting the Junos OS devices.
How do I fix CVE-2021-0233?
To mitigate CVE-2021-0233, upgrade to a patched version of Junos OS that addresses this vulnerability.
What devices are affected by CVE-2021-0233?
CVE-2021-0233 affects Juniper Networks ACX500 and ACX4000 Series devices running specific versions of Junos OS.
What is the impact of CVE-2021-0233?
CVE-2021-0233 allows attackers to crash the Forwarding Engine Board, resulting in potential service interruptions.
Can CVE-2021-0233 be exploited remotely?
Yes, CVE-2021-0233 can be exploited remotely by sending specially crafted packets to vulnerable devices.