CVSS 3.1 Score 4.3 of 10 (medium)


Published Oct 16, 2023
Updated: Oct 20, 2023
CWE ID 400
CWE ID 354


CVE-2023-45150 is a vulnerability that affects the Nextcloud Calendar app, which is used on the Nextcloud server platform. The vulnerability arises from missing precondition checks, allowing the server to attempt email address validation on strings of any length, leading to server overload and unresponsiveness. To mitigate this vulnerability, it is recommended to upgrade the Nextcloud Calendar app to version 4.4.4. If upgrading is not possible, disabling the calendar app is advised. This vulnerability poses a medium risk with a base severity score of 4.3 and an exploitability score of 2.8, potentially impacting an organization's availability.

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