CVE-2021-43177

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CVSS 3.1

5.3 medium

EPSS

<1%p57

Published

Apr 11, 2022 (Apr 11, 2022)

Modified

Jun 17, 2026

Description

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)

Vendors: tinfoilsecurity
Products: devise-two-factor
Weakness: CWE-254
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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