CVE-2004-0847

Public Exploit

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."

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 64.44% Top 5%
Vendor Advisory microsoft.com Vendor Advisory neohapsis.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-004 vendor advisory
http://sourceforge.net/mailarchive/forum.php?thread_id=5671607&forum_id=24754 broken link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4987 vdb entry third party advisory signature
http://www.us-cert.gov/cas/techalerts/TA05-039A.html third party advisory us government resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/17644 vdb entry third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3556 vdb entry third party advisory signature
http://www.kb.cert.org/vuls/id/283646 third party advisory us government resource
http://www.securityfocus.com/bid/11342 vdb entry third party advisory
http://archives.neohapsis.com/archives/ntbugtraq/2004-q3/0221.html mailing list exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2004-0847?
CVE-2004-0847 has been scored as a critical severity vulnerability.
How to fix CVE-2004-0847?
To fix CVE-2004-0847, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2004-0847 being actively exploited in the wild?
It is possible that CVE-2004-0847 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~64% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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