What’s Vulnerable › Vulnerabilities

CVE-2001-0347

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-07-21 · updated 2026-06-16

Description

Information disclosure vulnerability in Microsoft Windows 2000 telnet service allows remote attackers to determine the existence of user accounts such as Guest, or log in to the server without specifying the domain name, via a malformed userid.

Affected products

• Microsoft Windows 2000: all versions

References

• http://www.ciac.org/ciac/bulletins/l-092.shtml
• http://www.osvdb.org/5686
• http://www.securityfocus.com/bid/2847
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-031
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6665
• http://www.ciac.org/ciac/bulletins/l-092.shtml
• http://www.osvdb.org/5686
• http://www.securityfocus.com/bid/2847
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-031
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6665

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