CVSS 3.1 Score 6.5 of 10 (medium)


Published Apr 12, 2024
Updated: Apr 15, 2024
CWE ID 788


CVE-2024-21618 is an Access of Memory Location After End of Buffer vulnerability in the Layer-2 Control Protocols Daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved. This vulnerability allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS) attack. The vulnerability affects multiple versions of Junos OS and Junos OS Evolved. When LLDP is enabled on a specific interface and a malformed LLDP packet is received, l2cpd crashes and restarts, leading to the reinitialization of STP protocols and other services dependent on LLDP state. The impact score for this vulnerability is 3.6 out of 10, with a base severity rating of MEDIUM.

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