CVE-2023-39231

PingFederate PingOne MFA IK Device Pairing Second Factor Authentication Bypass

MEDIUM
6.5
CVSS Score
Published: October 24, 2023 at 07:56 PM UTC
Updated: June 17, 2026 at 06:11 AM UTC
1 product affected across 1 vendorPingOne MFA Integration Kit

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.2 ≤ v < 2.2.12.2
Affected range stops below 2.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-288CWE-306

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