CVE-1999-0012

HIGH

Microsoft FrontPage - Authentication Bypass via Long Filename

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0012. PoCs published by HORKimhab.

AI-analyzed exploit summary The repository contains a placeholder markdown file for CVE-1999-0012, describing an access restriction bypass vulnerability in Microsoft Windows web servers for files with long filenames. No functional exploit code, technical analysis, or proof-of-concept details are provided.

Description

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

Exploits (1)

github STUB
by HORKimhab · shellpoc
https://github.com/HORKimhab/poc-cve-collection/tree/main/1999/0xxx/CVE-1999-0012.md

The repository contains a placeholder markdown file for CVE-1999-0012, describing an access restriction bypass vulnerability in Microsoft Windows web servers for files with long filenames. No functional exploit code, technical analysis, or proof-of-concept details are provided.

Classification
Stub 95%
Attack Type
Auth Bypass
Complexity
Unknown
Reliability
Theoretical
Target: Microsoft Windows web servers (unspecified versions)
No auth needed
Prerequisites: Target running a vulnerable Microsoft Windows web server
mistral-large-3 · analyzed Jul 14, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0012

Scores

CVSS v3 7.0
EPSS 0.1820
EPSS Percentile 96.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (6)
microsoft/frontpage
microsoft/internet_information_server 4.0
microsoft/personal_web_server 4.0
netscape/enterprise_server 3.0
netscape/fasttrack_server 2.01
netscape/fasttrack_server 3.01
Published Feb 06, 1998
Tracked Since Feb 18, 2026