How severe is CVE-2023-39930?

CVE-2023-39930 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39930?

CVE-2023-39930 affects Pingidentity Pingid Radius Pcv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-39930 published?

CVE-2023-39930 was published on 2023-10-25 and last updated on 2026-06-17.

CVE-2023-39930

CVE-2023-39930 is a high-severity vulnerability in Pingidentity Pingid Radius Pcv with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Pingidentity Pingid Radius Pcv
Published: 2023-10-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-39930?: 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.
How severe is CVE-2023-39930?: CVE-2023-39930 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39930?: CVE-2023-39930 affects Pingidentity Pingid Radius Pcv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-39930 published?: CVE-2023-39930 was published on 2023-10-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pingidentity:pingid_radius_pcv:*:*:*:*:*:*:*:*

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