CVE-2024-8796

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Under the default configuration, Devise-Two-Factor versions >= 2.2.0 & < 6.0.0 generate TOTP shared secrets that are 120 bits instead of the 128-bit minimum defined by RFC 4226. Using a shared secret shorter than the minimum to generate a multi-factor authentication code could make it easier for an attacker to guess the shared secret and generate valid TOTP codes.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-331

Affected software

Vendor	Product	Versions
devise-two-factor	devise-two-factor	>= 4.0.0, < 6.0.0; 1.0.0

References

https://github.com/devise-two-factor/devise-two-factor/security/advisories/GHSA-qjxf-mc72-wjr2Mitigation, Vendor Advisory

Timeline

Published: Sep 17, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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