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)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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) (CVE-2021-43177)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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) (CVE-2021-43177)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7050-1 advisory.

    Benoit Ct-Jodoin and Michael Nipper discovered that Devise-Two-Factor incorrectly handled one-time     password validation. An attacker could possibly use this issue to intercept and re-use a one-time     password. (CVE-2021-43177)

    Garrett Rappaport discovered that Devise-Two-Factor incorrectly handled generating multi-factor     authentication codes. An attacker could possibly use this issue to generate valid multi-factor     authentication codes. (CVE-2024-8796)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
224218	Linux Distros Unpatched Vulnerability : CVE-2021-43177	Nessus	Misc.	medium
416445	SCA: security update for devise-two-factor (GHSA-jm35-h8q2-73mp)	Tenable Cloud Security	SCA Checks	medium
416445	SCA: security update for devise-two-factor (GHSA-jm35-h8q2-73mp)	Tenable Self-Hosted Container Security	SCA Checks	medium
207993	Ubuntu 20.04 LTS / 22.04 LTS : Devise-Two-Factor vulnerabilities (USN-7050-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2021-43177

medium

Tenable Plugins

medium

medium

medium

medium