{"api_version":"1","generated_at":"2026-07-24T19:43:14+00:00","cve":"CVE-2014-0257","urls":{"html":"https://cve.report/CVE-2014-0257","api":"https://cve.report/api/cve/CVE-2014-0257.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2014-0257","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-0257"},"summary":{"title":"CVE-2014-0257","description":"Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka \"Type Traversal Vulnerability.\"","state":"PUBLISHED","assigner":"microsoft","published_at":"2014-02-12 04:50:39","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-20","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"9.3","severity":"","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","baseScore":9.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://secunia.com/advisories/56793","name":"http://secunia.com/advisories/56793","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Security Advisory SA56793 - Microsoft .NET Framework Denial of Service and Type Traversal Vulnerabilities - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009","name":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Microsoft Security Bulletin MS14-009 - Important | Microsoft Docs","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html","name":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"MS14-009 .NET Deployment Service IE Sandbox Escape ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1029745","name":"http://www.securitytracker.com/id/1029745","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Microsoft .NET Bugs Lets Remote Users Execute Arbitrary Code and Deny Service - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.osvdb.org/103163","name":"http://www.osvdb.org/103163","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"http://www.exploit-db.com/exploits/33892","name":"http://www.exploit-db.com/exploits/33892","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":".NET Deployment Service - IE Sandbox Escape (MS14-009)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/65417","name":"http://www.securityfocus.com/bid/65417","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Microsoft .NET Framework CVE-2014-0257 Remote Privilege Escalation Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-0257","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-0257","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"1.0","cpe7":"sp3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"1.1","cpe7":"sp1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"2.0","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"3.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"3.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"257","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2014","cve_id":"257","cve":"CVE-2014-0257","epss":"0.780960000","percentile":"0.990280000","score_date":"2026-05-04","updated_at":"2026-05-05 00:07:32"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T09:13:09.402Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"1029745","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1029745"},{"name":"33892","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"],"url":"http://www.exploit-db.com/exploits/33892"},{"name":"65417","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/65417"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html"},{"name":"103163","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://www.osvdb.org/103163"},{"name":"56793","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/56793"},{"name":"MS14-009","tags":["vendor-advisory","x_refsource_MS","x_transferred"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2014-02-11T00:00:00.000Z","descriptions":[{"lang":"en","value":"Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka \"Type Traversal Vulnerability.\""}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-12T19:57:01.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"1029745","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1029745"},{"name":"33892","tags":["exploit","x_refsource_EXPLOIT-DB"],"url":"http://www.exploit-db.com/exploits/33892"},{"name":"65417","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/65417"},{"tags":["x_refsource_MISC"],"url":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html"},{"name":"103163","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://www.osvdb.org/103163"},{"name":"56793","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/56793"},{"name":"MS14-009","tags":["vendor-advisory","x_refsource_MS"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2014-0257","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka \"Type Traversal Vulnerability.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"1029745","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1029745"},{"name":"33892","refsource":"EXPLOIT-DB","url":"http://www.exploit-db.com/exploits/33892"},{"name":"65417","refsource":"BID","url":"http://www.securityfocus.com/bid/65417"},{"name":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html"},{"name":"103163","refsource":"OSVDB","url":"http://www.osvdb.org/103163"},{"name":"56793","refsource":"SECUNIA","url":"http://secunia.com/advisories/56793"},{"name":"MS14-009","refsource":"MS","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009"}]}}}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2014-0257","datePublished":"2014-02-12T02:00:00.000Z","dateReserved":"2013-12-03T00:00:00.000Z","dateUpdated":"2024-08-06T09:13:09.402Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2014-02-12 04:50:39","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-20","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","baseScore":9.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.6,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:1.0:sp3:*:*:*:*:*:*","matchCriteriaId":"B4B659D4-6EDD-4A31-A7CC-70B12EBEB4D8"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:1.1:sp1:*:*:*:*:*:*","matchCriteriaId":"0BF6AE15-EAC3-4100-A742-211026C79CCC"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*","matchCriteriaId":"42A6DF09-B8E1-414D-97E7-453566055279"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*","matchCriteriaId":"E039CE1F-B988-4741-AE2E-5B36E2AF9688"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*","matchCriteriaId":"8EDC4407-7E92-4E60-82F0-0C87D1860D3A"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*","matchCriteriaId":"792B417F-96A0-4E9D-9E79-5D7F982E2225"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*","matchCriteriaId":"61FAD9EE-FA7F-4B39-8A9B-AFFAEC8BF214"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.5.1:*:*:*:*:*:*:*","matchCriteriaId":"299DBEAE-1829-47A9-B09E-4AF327831B69"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2014","CveId":"257","Ordinal":"1","Title":"CVE-2014-0257","CVE":"CVE-2014-0257","Year":"2014"},"notes":[{"CveYear":"2014","CveId":"257","Ordinal":"1","NoteData":"Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka \"Type Traversal Vulnerability.\"","Type":"Description","Title":"CVE-2014-0257"},{"CveYear":"2014","CveId":"257","Ordinal":"2","NoteData":"2014-02-11","Type":"Other","Title":"Published"},{"CveYear":"2014","CveId":"257","Ordinal":"3","NoteData":"2018-10-12","Type":"Other","Title":"Modified"}]}}}