Vulnerability Monitor

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CVE-2004-0847

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."

Published

2004-11-03T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	asp.net	≤ 1.1	Yes
Application	microsoft	asp.net	1.1	Yes

References

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