What’s Vulnerable › Vulnerabilities

CVE-2001-0335

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-09-18 · updated 2026-06-16

Description

FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.

Affected products

• Microsoft Internet Information Server: through 5.0

References

• http://www.securityfocus.com/bid/2719
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6545
• http://www.securityfocus.com/bid/2719
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6545

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