CVE-2023-39930

HIGHNVD 7.57.5—

7.5

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 v3: 7.5
EG Score: 7.5(medium)
EPSS: 13.4%
KEV: Not listed

Published

October 25, 2023

Last Modified

November 21, 2024

References (4)

responsible-disclosure@pingidentityhttps://docs.pingidentity.com/r/en-us/pingid/pingid_integration_kit_2_26_rn
responsible-disclosure@pingidentityhttps://www.pingidentity.com/en/resources/downloads/pingfederate.html
af854a3a-2127-422b-91ae-364da2661108https://docs.pingidentity.com/r/en-us/pingid/pingid_integration_kit_2_26_rn
af854a3a-2127-422b-91ae-364da2661108https://www.pingidentity.com/en/resources/downloads/pingfederate.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 15:16 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-39930?

CVE-2023-39930 is a high vulnerability published on October 25, 2023. 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.

When was CVE-2023-39930 disclosed?

CVE-2023-39930 was first published in the National Vulnerability Database on October 25, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-39930 actively exploited?

CVE-2023-39930 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39930?

CVE-2023-39930 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-39930?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39930, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-39930

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-39930?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)