Security readout for executives and security teams
This is an old OpenBSD RADIUS authentication flaw. If a system used the vulnerable login_radius component, an attacker could spoof a RADIUS server reply and get authenticated without the expected shared-secret validation. Exposure is most likely limited to legacy OpenBSD systems using login_radius for RADIUS-backed authentication. Supported or upgraded systems are unlikely to be affected unless they retain the vulnerable component or configuration. Treat as high priority only where legacy OpenBSD RADIUS authentication remains in use. For most organizations, urgency is driven by asset discovery: confirm whether any affected systems still exist. Mitigation focus: Identify OpenBSD systems using login_radius with RADIUS authentication.; Apply the relevant OpenBSD errata or vendor-supported replacement guidance.; Retire or upgrade unsupported OpenBSD 3.2 and 3.5 systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2004-2163 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- openbsd-radius-auth-bypass(17456)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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