CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 13, 2023
Updated: Oct 20, 2023
CWE ID 401


CVE-2023-44192 is an Improper Input Validation vulnerability found in the Packet Forwarding Engine of Juniper Networks Junos OS. It affects all versions prior to 20.4R3-S6, 21.1 versions prior to 21.1R3-S5, 21.2 versions prior to 21.2R3-S5, and 21.3 versions prior to 21.3R3-S. The vulnerability allows an unauthenticated, network-based attacker to cause a memory leak, leading to a Denial of Service (DoS) condition. This vulnerability specifically impacts Junos OS QFX5000 Series platforms when configured under the EVPN-VXLAN scenario and specific DHCP packets are transmitted. Continuous receipt of these packets can cause memory leakage and disrupt protocols, impacting traffic flow. To remediate the issue, a manual reboot of the system is required. The severity of this vulnerability is rated as HIGH with a base score of 7.5 according to CVSS:3.1 metrics.

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