CVE-2004-0420: n/a vulnerability

CVE-2004-0420: The Windows Shell application in Windows 98, Windows ME, Windows NT 4.0, Windows 2000, Windows XP, and Wind...

The Windows Shell application in Windows 98, Windows ME, Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by spoofing the type of a file via a CLSID specifier in the filename, as demonstrated using Internet Explorer 6.0.2800.1106 on Windows XP.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 00:17 UTC (UTC+00:00)

Security readout for executives and security teams

This old Windows Shell flaw could make a dangerous file appear to be a different, safer file type. If a user opened the spoofed file through affected Windows/Internet Explorer paths, an attacker could run code on that system. Exposure is mainly legacy Windows environments. Organizations are likely exposed only if they still operate affected legacy Windows versions or preserve unpatched images, kiosks, lab systems, OT workstations, or archived virtual machines using those platforms. Treat this as high priority only where legacy Windows remains in operation. Modern environments are unlikely to be affected, but old unmanaged systems can turn a simple file-handling weakness into full code execution risk. Mitigation focus: Review Microsoft MS04-024 guidance for the authoritative fix path.; Patch any remaining affected Windows systems where vendor updates are available.; Retire or isolate unsupported affected Windows versions..

Prepared: Jun 30, 2026, 05:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2004-0420 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 20, 2004, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

9Source links

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
ie-clsid-file-extension-spoofing(14964)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:2894CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:3386CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:3604CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:2245CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:3533CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:2381CVE reference · vdb-entry, signature
MS04-024CVE reference · vendor-advisory, x_refsource_MS

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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