PingFederate and PingAccess
CVE-2023-39231: PingFederate PingOne MFA IK Device Pairing Second Factor Authentication Bypass
PingFederate using the PingOne MFA adapter allows a new MFA device to be paired without requiring second factor authentication from an existing registered device.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| PingOne MFA Integration Kit 2.2 | 2.2.1 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
PingFederate using the PingOne MFA adapter allows a new MFA device to be paired without requiring second factor authentication from an existing registered device. A threat actor may be able to exploit this vulnerability to register their own MFA device if they have knowledge of a victim user's first factor credentials.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.