CVE-2025-27935

Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit

Published Dec 4, 2025 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Pingidentity
Pingidentity pingfederate
Vendors & Products Pingidentity
Pingidentity pingfederate
Type Values Removed Values Added
Description The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.
Title Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Ping Identity
Published
Updated
Dec 5, 2025, 5:33 PM
Reserved
Apr 16, 2025, 1:21 AM
Status
Deferred
Published
Dec 4, 2025, 9:16 PM
Modified
Oct 18, 2026, 3:10 PM