As a result of an incomplete fix for CVE-2015-7225, in versions of devise-two-factor prior to 4.0.2 it is possible to reuse a One-Time-Password (OTP) for one (and only one) immediately trailing interval. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

Vulnerability of design defects in the security algorithm component. Successful exploitation of this vulnerability may affect confidentiality.

Apache Tomcat may be started without proper security settings if errors are encountered while reading the web.xml file, which could allow attackers to bypass intended restrictions.

Microsoft Excel 97 and 2000 does not warn the user when executing Excel Macro Language (XLM) macros in external text files, which could allow an attacker to execute a macro virus, aka the "XLM Text Macro" vulnerability.