CVE-2021-43177 is a medium-severity vulnerability affecting tinfoilsecurity's devise-two-factor library prior to version 4.0.2. It allows an attacker to reuse a One-Time-Password (OTP) for a single immediately trailing interval due to an incomplete fix for a previous vulnerability. The attack requires low privileges and high attack complexity, but if successful, could lead to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.2CPE matchmatch criteria | cpe:2.3:a:tinfoilsecurity:devise-two-factor:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.