CVSS 3.1 Score 6.5 of 10 (medium)


Published Aug 1, 2023
Updated: Aug 7, 2023


CVE-2023-4052 is a vulnerability affecting the Firefox browser on Windows operating systems. The vulnerability allows non-privileged users to create a writable directory that can be used for arbitrary file deletion when uninstalling Firefox. This can be exploited by combining it with the creation of a junction, or symbolic link. The vulnerability affects Firefox versions earlier than 116 and Firefox ESR versions earlier than 115.1. The impact of this vulnerability is rated as medium severity, with low privileges required and no user interaction necessary. However, it poses a high integrity impact to affected systems.


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