CVSS 3.1 Score 9.8 of 10 (high)


Published Aug 3, 2023
Updated: Aug 11, 2023
CWE ID 120


CVE-2023-3346 is a vulnerability categorized as "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')" with a risk score of 65. It affects MITSUBSHI CNC Series products. An unauthenticated remote attacker can exploit this vulnerability to cause a Denial of Service (DoS) condition and execute arbitrary code by sending specially crafted packets. Recovery from this attack requires a system reset. The base severity of this vulnerability is rated as CRITICAL, with high impacts on integrity and confidentiality. The attack vector is through the network, and no user interaction or privileges are required. The availability impact is also rated as HIGH.

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