CVE-2021-43177

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)

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Third-Party Advisory github.com
Affected: Tinfoil devise-two-factor
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-43177?
CVE-2021-43177 has been scored as a medium severity vulnerability.
How to fix CVE-2021-43177?
To fix CVE-2021-43177, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43177 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43177 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43177?
CVE-2021-43177 affects Tinfoil devise-two-factor.
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