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Vulnerability record · CVE-2002-0421 · published 12 August 2002

CVE-2002-0421: Microsoft windows nt vulnerability

Microsoft · Windows Nt

IIS 4.0 allows local users to bypass the "User cannot change password" policy for Windows NT by directly calling .htr password changing programs in the /iisadmpwd directory, including (1) aexp2.htr, (2) aexp2b.htr, (3) aexp3.htr , or (4) aexp4.htr.

5.0 CVSS 2.0 Medium EPSS 20% · top 2.6%
5.0CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

IIS 4.0 allows local users to bypass the "User cannot change password" policy for Windows NT by directly calling .htr password changing programs in the /iisadmpwd directory, including (1) aexp2.htr, (2) aexp2b.htr, (3) aexp3.htr , or (4) aexp4.htr.

AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://online.securityfocus.com/archive/1/259963 Vendor Advisory
http://www.iss.net/security_center/static/8388.php PatchVendor Advisory
http://www.securityfocus.com/bid/4236 PatchVendor Advisory
http://online.securityfocus.com/archive/1/259963 Vendor Advisory
http://www.iss.net/security_center/static/8388.php PatchVendor Advisory
http://www.securityfocus.com/bid/4236 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-0421), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.