What’s Vulnerable › Vulnerabilities

CVE-1999-0874

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 74.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-06-02 · updated 2026-06-16
• Weakness: CWE-119

Description

Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a malformed request for files with .HTR, .IDC, or .STM extensions.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft Windows 2000: all versions
• Microsoft Windows Nt: 4.0

References

• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ234905
• http://www.ciac.org/ciac/bulletins/j-048.shtml
• http://www.eeye.com/html/Research/Advisories/AD06081999.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-019
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A915
• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ234905
• http://www.ciac.org/ciac/bulletins/j-048.shtml
• http://www.eeye.com/html/Research/Advisories/AD06081999.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-019
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A915

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