CVE-2023-4481

Summary

CVE-2023-4481 is an Input Validation vulnerability affecting Juniper Networks Junos OS and Junos OS Evolved in the Routing Protocol Daemon (rpd). An unauthenticated, remote attacker can exploit this vulnerability by sending crafted BGP UPDATE messages to cause a Denial of Service (DoS). The vulnerability allows tearing down a single BGP session or propagating the issue to multiple remote systems. The impacted devices will remain non-impacted but affected systems may experience continuous DoS conditions. This vulnerability affects eBGP and iBGP sessions in both IPv4 and IPv6 implementations, and an attacker must have at least one established BGP session to exploit it.

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