Vulnerability in Tinfoilsecurity Devise-Two-Factor

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 proximate attackers with a target user's login credentials to log in as said user by obtaining the OTP through performing a man-in-the-middle attack between the provider and verifier, or shoulder surfing, and replaying the OTP in the current time-step.

EPSS: 0.018 (76.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, VDB Entry)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, VDB Entry)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2015-7225?
CVE-2015-7225 is a medium-severity vulnerability in Tinfoilsecurity Devise-Two-Factor, classified under CWE-254. CVSS score: 5.3/10. Published 2017-09-06.
How severe is CVE-2015-7225?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2015-7225 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.