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CVE-2001-0335

FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted...

5.0 Medium

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.

Exploit likelihood

21.0%Up 9.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2001-0335
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2001-0335
Updated
2026-11-02
EUVDEUVD-2001-0335 No score

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.

Record
EUVD-2001-0335
Updated
2026-11-03
GitHub AdvisoriesGHSA-9wjp-g974-8q25 No score

FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted...

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.

Record
GHSA-9wjp-g974-8q25
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-2001-0335 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Information Server, published June 27, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.0%, the 97th percentile. No source names a fixed version.

References

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