Palo Alto Networks has revealed a high-severity vulnerability, CVE-2024-3393, affecting its PAN-OS software. This Denial-of-Service (DoS) flaw resides in the DNS Security feature, enabling an unauthenticated attacker to exploit it by sending crafted packets through the firewall’s data plane. When triggered, this attack forces the firewall to reboot, and repeated exploitation can push the system into maintenance mode, disrupting operations.
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