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CVE-2001-0347

Information disclosure vulnerability in Microsoft Windows 2000 telnet service allows remote...

7.5 High

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.

Exploit likelihood

13.8%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2001-0347
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2001-0347
Updated
2026-11-02
EUVDEUVD-2001-0347 No score

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.

Record
EUVD-2001-0347
Updated
2026-11-03
GitHub AdvisoriesGHSA-4ccp-g444-f9q7 No score

Information disclosure vulnerability in Microsoft Windows 2000 telnet service allows remote...

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.

Record
GHSA-4ccp-g444-f9q7
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2001-0347 is a high vulnerability (CVSS 7.5) in Microsoft Windows 2000, published July 21, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 13.8%, the 96th percentile. No source names a fixed version.

References

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