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Vulnerability record · CVE-1999-0012 · published 6 February 1998

CVE-1999-0012: Microsoft frontpage authentication bypass by spoofing vulnerability

Microsoft · Frontpage

Some web servers under Microsoft Windows allow remote attackers to bypass access restrictions for files with long file names.

7.0 CVSS 3.1 High EPSS 19% · top 2.8% CWE-290 · Authentication bypass by spoofing
7.0CVSS 3.1 base score, v2 5.0
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

Some web servers under Microsoft Windows allow remote attackers to bypass access restrictions for files with long file names.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L

Affected products

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

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0012
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0012

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Source: NIST National Vulnerability Database (record CVE-1999-0012), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.