PingID
CVE-2023-39930: PingFederate PingID Radius PCV Authentication Bypass
A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 7.5
EPSS0.69%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
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 |
|---|---|
| PingID Radius PCV 3.0 | 3.0.3 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.