What’s Vulnerable › Vulnerabilities

CVE-2004-0201

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 45.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-08-06 · updated 2026-06-16

Description

Heap-based buffer overflow in the HtmlHelp program (hh.exe) in HTML Help for Microsoft Windows 98, Me, NT 4.0, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary commands via a .CHM file with a large length field, a different vulnerability than CVE-2003-1041.

Affected products

• Avaya Definity One Media Server: all versions
• Avaya Ip600 Media Servers: all versions
• Avaya Modular Messaging Message Storage Server: s3400
• Avaya S8100: all versions
• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: enterprise, enterprise_64-bit, r2, standard, web
• Microsoft Windows 98: all versions
• Microsoft Windows 98Se: all versions
• Microsoft Windows Me: all versions
• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5 (+2)
• Microsoft Windows XP Service Pack 3: all versions

References

• http://lists.grok.org.uk/pipermail/full-disclosure/2004-July/023919.html
• http://www.kb.cert.org/vuls/id/920060
• http://www.us-cert.gov/cas/techalerts/TA04-196A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-023
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16586
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1503
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1530
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2155
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3179
• http://lists.grok.org.uk/pipermail/full-disclosure/2004-July/023919.html
• http://www.kb.cert.org/vuls/id/920060
• http://www.us-cert.gov/cas/techalerts/TA04-196A.html

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