{"cve":"CVE-2013-3171","nvd":{"published":"2013-07-10T03:46:10.590","modified":"2026-06-16T23:54:38.280","status":"Modified","description":"The serialization functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly check the permissions of delegate objects, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP) or (2) a crafted .NET Framework application that leverages a partial-trust relationship, aka \"Delegate Serialization Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://www.us-cert.gov/ncas/alerts/TA13-190A","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-052","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16867","http://www.us-cert.gov/ncas/alerts/TA13-190A","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-052"],"products":["microsoft:.net_framework"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-3171","score":0.206,"percentile":0.97519,"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."]}