CVE-2023-39930

criticalpriority · track · 39OT risk · elevatedEPSS 0.008 · 58 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.84% (58th) EPSS

CVSS 9.8 · critical

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · responsible-disclosure@pingidentity.comexploitability 1.6 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-288US

affected products (2)

Products and version ranges known to be affected.

Ping Identity PingID Radius PCV3.0 → 3.0.3enisa_euvdEU
pingidentity pingid radius pcv3.0.0 → 3.0.3nvdUScpe:2.3:a:pingidentity:pingid_radius_pcv:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-10-25modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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