CVE-2023-4481

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Sep 1, 2023
Updated: Sep 7, 2023
CWE ID 20

Summary

CVE-2023-4481 is an Improper Input Validation vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved. It allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS) by sending crafted BGP UPDATE messages over an established BGP session. This vulnerability affects eBGP and iBGP in both IPv4 and IPv6 implementations. The attacker needs at least one established BGP session to exploit this vulnerability. Continuous receipt of the crafted BGP UPDATE messages can create a sustained DoS condition for impacted devices. The base severity of this vulnerability is rated as HIGH, with a base score of 7.5 according to CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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