9.8crit

CVE-2004-0847in critical feed1 exploit

The Microsoft .NET forms authentication capability for ASP.NET allows remote attackers to bypass authentication for .aspx files in restrict…

Published 22 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
75.7%
percentile 100%
Public exploits
1
Exploit-DB

Summary

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."

Exploit prediction (EPSS)

75.70% probability of exploitation in the next 30 days, higher than 100% of all scored CVEs.

Exploits and detections

  • EDB-24666 Microsoft ASP.NET 1.x - URI Canonicalization Unauthorized Web Access · webapps · 2004-10-06

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

  • docs.microsoft.com /en-us/security-updates/securitybulletins/2005/ms05-004 · vendor-advisory, x_refsource_MS, x_transferred
  • sourceforge.net /mailarchive/forum.php?thread_id=5671607&forum_id=24754 · x_refsource_MISC, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4987 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • us-cert.gov /cas/techalerts/TA05-039A.html · third-party-advisory, x_refsource_CERT, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/17644 · vdb-entry, x_refsource_XF, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3556 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • kb.cert.org /vuls/id/283646 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • securityfocus.com /bid/11342 · vdb-entry, x_refsource_BID, x_transferred
  • archives.neohapsis.com /archives/ntbugtraq/2004-q3/0221.html · mailing-list, x_refsource_NTBUGTRAQ, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.