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EUVD-2026-32369

fkie_cve-2021-43177

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)

GHSA-jm35-h8q2-73mp — Improper one time password handling in devise-two-factor

Affected: RubyGems: devise-two-factor

### Impact 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. ### Patches This vulnerability has been patched in version 4.0.2 which was released on March 24th, 2022. Individuals using this package are strongly encouraged to upgrade as soon as possible.

### Credit for discovery Benoit Côté-Jodoin Michael Nipper - https://github.com/tinfoil/devise-two-factor/issues/106

gsd-2021-43177

UBUNTU-CVE-2021-43177

Affected: Ubuntu:16.04:LTS: ruby-devise-two-factor, Ubuntu:Pro:20.04:LTS: ruby-devise-two-factor, Ubuntu:Pro:22.04:LTS: ruby-devise-two-factor