CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 13, 2023
Updated: Oct 20, 2023
CWE ID 770


CVE-2023-44191 is a vulnerability in Juniper Networks Junos OS that allows an unauthenticated attacker to cause Denial of Service (DoS) by exploiting an allocation of resources without limits or throttling issue. Specifically, this vulnerability affects Junos OS on QFX5000 Series and EX4000 Series platforms. The issue occurs when a high number of VLANs are configured, leading to PFE hogging and dropping of socket connections. To remediate this vulnerability, organizations should update their Junos OS to the versions listed in the advisory. The potential danger posed by this vulnerability is a DoS attack, which can disrupt network services and impact the availability of affected systems.

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