CVE-2015-7225
Tinfoil Devise-two-factor before 2.0.0 does not strictly follow section 5.2 of RFC 6238 and does not "burn" a successfully validated one-time password (aka OTP), which allows remote or physically
02 Description
Tinfoil Devise-two-factor before 2.0.0 does not strictly follow section 5.2 of RFC 6238 and does not "burn" a successfully validated one-time password (aka OTP), which allows remote or physically
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.05% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.0% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-09-06 21:00Z9 YR AGO
- Last updated
- 2024-08-06 07:43Z2 YR AGO
- Reserved
- 2015-09-17
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- e21262e87718c7c61f4f2871431aa1ef18216069c1c5f9d98179f4a192c94f40
05 Affected products
06 References
- github.comhttps://github.com/tinfoil/devise-two-factor/blob/master/UPGRADING.md
- www.openwall.com[oss-security] 20150917 Re: CVE Request: TOTP Replay Attack in Ruby libraryhttp://www.openwall.com/lists/oss-security/2015/09/17/2
- www.openwall.com[oss-sercurity] 20150620 CVE Request: MITM & Shoulder-surfing vuln in Ruby OTP/HOTP/TOTP library "ROPT"http://www.openwall.com/lists/oss-security/2015/06/20/4
- www.securityfocus.com76789http://www.securityfocus.com/bid/76789
- bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798466
- github.comhttps://github.com/tinfoil/devise-two-factor/issues/45#issuecomment-139335608
07 Fixed in
Debian 12
- ruby-devise-two-factor Fixed in 2.0.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.