Vulnerability · Published Apr 11, 2022 · Assigned by SNPS
CVE-2021-43177
Medium 5.3
In plain English
A medium-severity security flaw in devise-two-factor from Tinfoil. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.9%top 40.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ruby-devise-two-factor | 4.0.2-1 | DEBIAN-CVE-2021-43177 |
| RubyGems | devise-two-factor | 4.0.2 | GHSA-jm35-h8q2-73mp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tinfoil | devise-two-factor | < 4.0.2 |
Weakness: CWE-254