CVE-2004-0847

9.8 CRITICAL
Published: November 03, 2004 Modified: April 16, 2026
View on NVD

Description

The Microsoft .NET forms authentication capability for ASP.NET allows remote attackers to bypass authentication for .aspx files in restricted directories via a request containing a (1) "\" (backslash) or (2) "%5C" (encoded backslash), aka "Path Validation Vulnerability."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://archives.neohapsis.com/archives/ntbugtraq/2004-q3/0221.html
Source: cve@mitre.org
Exploit Vendor Advisory
http://sourceforge.net/mailarchive/forum.php?thread_id=5671607&forum_id=24754
Source: cve@mitre.org
Broken Link
http://www.kb.cert.org/vuls/id/283646
Source: cve@mitre.org
Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/11342
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.us-cert.gov/cas/techalerts/TA05-039A.html
Source: cve@mitre.org
Third Party Advisory US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-004
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/17644
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3556
Source: cve@mitre.org
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4987
Source: cve@mitre.org
Third Party Advisory
http://archives.neohapsis.com/archives/ntbugtraq/2004-q3/0221.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
http://sourceforge.net/mailarchive/forum.php?thread_id=5671607&forum_id=24754
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.kb.cert.org/vuls/id/283646
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/11342
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.us-cert.gov/cas/techalerts/TA05-039A.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-004
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/17644
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3556
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4987
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
52.8%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-22

Affected Vendors

microsoft

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