What’s Vulnerable › Vulnerabilities

CVE-2001-0506

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 68.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2002-03-09 · updated 2026-06-16

Description

Buffer overflow in ssinc.dll in IIS 5.0 and 4.0 allows local users to gain system privileges via a Server-Side Includes (SSI) directive for a long filename, which triggers the overflow when the directory name is added, aka the "SSI privilege elevation" vulnerability.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

References

• http://marc.info/?l=bugtraq&m=99802093532233&w=2
• http://online.securityfocus.com/archive/1/242541
• http://www.ciac.org/ciac/bulletins/l-132.shtml
• http://www.securityfocus.com/bid/3190
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-044
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6984
• http://marc.info/?l=bugtraq&m=99802093532233&w=2
• http://online.securityfocus.com/archive/1/242541
• http://www.ciac.org/ciac/bulletins/l-132.shtml
• http://www.securityfocus.com/bid/3190
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-044
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6984

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