Cyber Resilience

CVE-2023-39930

High

Published: 25 October 2023

Published
25 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0004 13.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39930 is a high-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability in Pingidentity Pingid Radius Pcv. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 13.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

pingidentity
pingid radius pcv
3.0.0 — 3.0.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-306 CWE-288

Mandates additional authentication for access under defined conditions, ensuring critical or high-risk functions are not left without authentication.

addresses: CWE-306 CWE-288

Identity providers mandate authentication for functions that would otherwise lack it.

addresses: CWE-306 CWE-288

Requires authentication for non-organizational users, preventing access to critical functions without proper identification and authentication.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-288

Authorizing remote access reduces the ability to bypass authentication via unauthorized alternate remote channels.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-306

Guarantees critical functions are protected by mandatory invocation of the access control mechanism.

References