CVE-2004-0847

high-risk
Published 2004-11-03

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."

Do I need to act?

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52.8% chance of exploitation in next 30 days
EPSS score — higher than 47% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 25/34 · High
Exposure 7/34 · Low