CVE-2004-0568
CVE-2004-0568 is a critical-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 35% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 2000
- Published:
- Last modified:
Description
HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTerminal session file (.ht), web site, or Telnet URL contained in an e-mail message, triggering a buffer overflow.
Frequently asked questions
- What is CVE-2004-0568?
- HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTerminal session file (.ht), web site, or Telnet URL contained in an e-mail message, triggering a buffer overflow.
- How severe is CVE-2004-0568?
- CVE-2004-0568 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2004-0568 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2004-0568?
- CVE-2004-0568 primarily affects Microsoft Windows 2000. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2004-0568?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2004-0568 published?
- CVE-2004-0568 was published on 2005-01-10 and last updated on 2026-06-16.
References
- http://marc.info/?l=bugtraq&m=110312618614849&w=2
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-043
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18336
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1603
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2545
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3138
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3973
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4508
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4741
Affected products (74)
- cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:datacenter_64-bit:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:enterprise:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:r2:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:standard:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:web:sp1_beta_1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:alpha:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:enterprise_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server_alpha:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:alpha:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:alpha:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:enterprise_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:alpha:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:enterprise_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:server:*:*:*:*:*
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