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CVE-2023-46116

CriticalCVSS 9.3 / 10
Published Dec 15, 2023·Last modified Apr 10, 2026
Affected Components(0)

No affected components available

Description

Tutanota (Tuta Mail) is an encrypted email provider. Tutanota allows users to open links in emails in external applications. Prior to version 3.118.12, it correctly blocks the file: URL scheme, which can be used by malicious actors to gain code execution on a victims computer, however fails to check other harmful schemes such as ftp:, smb:, etc. which can also be used. Successful exploitation of this vulnerability will enable an attacker to gain code execution on a victim's computer. Version 3.118.2 contains a patch for this issue.

Risk Scores
Base Score
9.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.

Threat Intelligence
8.5

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
1.26%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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