CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 30, 2023
Updated: Nov 7, 2023


CVE-2023-21391 is a vulnerability in the Messaging application, affecting multiple products. The vulnerability allows for the disabling of the messaging application through improper input validation, resulting in a remote denial of service attack. This vulnerability can be exploited without user interaction and does not require additional execution privileges. Organizations are advised to remediate this vulnerability by applying the necessary security updates or patches provided by the affected product vendors. The potential danger posed to organizations is significant, as it can lead to disruption of communication and potentially impact productivity and business operations.

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