CVE-2023-46116
Tuta Tutanota vulnerability
- Published15 Dec 2023
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:NAffected products
Remediation
Frequently asked
Is CVE-2023-46116 being actively exploited?
CVE-2023-46116 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.26%.
How severe is CVE-2023-46116?
CVE-2023-46116 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 1.26% probability of exploitation.
Which products are affected by CVE-2023-46116?
Affected products include Tuta Tutanota.
How do I fix CVE-2023-46116?
Upgrade affected software to a fixed version, for example Tuta Tutanota 3.118.12 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-46116 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.