{"cve":"CVE-2011-3417","nvd":{"published":"2011-12-30T01:55:01.140","modified":"2026-06-16T23:33:15.557","status":"Modified","description":"The Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0, when sliding expiry is enabled, does not properly handle cached content, which allows remote attackers to obtain access to arbitrary user accounts via a crafted URL, aka \"ASP.NET Forms Authentication Ticket Caching Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://www.securityfocus.com/bid/51203","http://www.us-cert.gov/cas/techalerts/TA11-347A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14625","http://www.securityfocus.com/bid/51203"],"products":["microsoft:windows_7","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-3417","score":0.3431,"percentile":0.98407,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}