CVSS 3.1 Score 7.5 of 10 (high)


Published Sep 5, 2023
Updated: Apr 12, 2024
CWE ID 617


CVE-2023-21646 is a vulnerability that affects Modem devices. The vulnerability occurs when the device processes an invalid System Information Block 1, leading to a transient denial of service (DOS) condition. The risk score for this vulnerability is 25, indicating a high severity level. The base score is 7.5, with no privileges required and no user interaction needed for exploitation. The attack vector is through the network, and the availability impact is rated as high. To mitigate this vulnerability, organizations should apply any patches or updates provided by the product manufacturer. Failure to address this vulnerability could result in potential disruption of services and impact the availability of affected systems.


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