{"api_version":"1","generated_at":"2026-07-23T23:57:32+00:00","cve":"CVE-2016-4046","urls":{"html":"https://cve.report/CVE-2016-4046","api":"https://cve.report/api/cve/CVE-2016-4046.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2016-4046","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-4046"},"summary":{"title":"CVE-2016-4046","description":"An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The API to configure external mail accounts can be abused to map and access network components within the trust boundary of the operator. Users can inject arbitrary hosts and ports to API calls. Depending on the response type, content and latency, information about existence of hosts and services can be gathered. Attackers can get internal configuration information about the infrastructure of an operator to prepare subsequent attacks.","state":"PUBLISHED","assigner":"mitre","published_at":"2016-12-15 06:59:09","updated_at":"2026-05-06 22:30:45"},"problem_types":["CWE-918","n/a"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"5.8","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"references":[{"url":"http://www.securityfocus.com/archive/1/538732/100/0/threaded","name":"http://www.securityfocus.com/archive/1/538732/100/0/threaded","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityFocus","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1036157","name":"http://www.securitytracker.com/id/1036157","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Open-Xchange App Suite Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information, Conduct Cross-Site Scripting and Server-Side Request Forgery Attacks, Spoof Content, and Deny Service - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-4046","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4046","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":"2016","cve_id":"4046","vulnerable":"1","versionEndIncluding":"7.8.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"open-xchange","cpe5":"open-xchange_appsuite","cpe6":"*","cpe7":"rev9","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2016","cve_id":"4046","cve":"CVE-2016-4046","epss":"0.001810000","percentile":"0.392530000","score_date":"2026-05-11","updated_at":"2026-05-12 00:01:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T00:17:30.780Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"1036157","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1036157"},{"name":"20160622 Open-Xchange Security Advisory 2016-06-22","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"],"url":"http://www.securityfocus.com/archive/1/538732/100/0/threaded"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2016-12-15T00:00:00.000Z","descriptions":[{"lang":"en","value":"An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The API to configure external mail accounts can be abused to map and access network components within the trust boundary of the operator. Users can inject arbitrary hosts and ports to API calls. Depending on the response type, content and latency, information about existence of hosts and services can be gathered. Attackers can get internal configuration information about the infrastructure of an operator to prepare subsequent attacks."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-19T14:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"1036157","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1036157"},{"name":"20160622 Open-Xchange Security Advisory 2016-06-22","tags":["mailing-list","x_refsource_BUGTRAQ"],"url":"http://www.securityfocus.com/archive/1/538732/100/0/threaded"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2016-4046","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":"An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The API to configure external mail accounts can be abused to map and access network components within the trust boundary of the operator. Users can inject arbitrary hosts and ports to API calls. Depending on the response type, content and latency, information about existence of hosts and services can be gathered. Attackers can get internal configuration information about the infrastructure of an operator to prepare subsequent attacks."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"1036157","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1036157"},{"name":"20160622 Open-Xchange Security Advisory 2016-06-22","refsource":"BUGTRAQ","url":"http://www.securityfocus.com/archive/1/538732/100/0/threaded"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2016-4046","datePublished":"2016-12-15T06:31:00.000Z","dateReserved":"2016-04-20T00:00:00.000Z","dateUpdated":"2024-08-06T00:17:30.780Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2016-12-15 06:59:09","lastModifiedDate":"2026-05-06 22:30:45","problem_types":["CWE-918","n/a"],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev9:*:*:*:*:*:*","versionEndIncluding":"7.8.1","matchCriteriaId":"F8BB7BBD-7706-479D-B1DB-9EAC321913EB"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2016","CveId":"4046","Ordinal":"1","Title":"CVE-2016-4046","CVE":"CVE-2016-4046","Year":"2016"},"notes":[{"CveYear":"2016","CveId":"4046","Ordinal":"1","NoteData":"An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The API to configure external mail accounts can be abused to map and access network components within the trust boundary of the operator. Users can inject arbitrary hosts and ports to API calls. Depending on the response type, content and latency, information about existence of hosts and services can be gathered. Attackers can get internal configuration information about the infrastructure of an operator to prepare subsequent attacks.","Type":"Description","Title":"CVE-2016-4046"},{"CveYear":"2016","CveId":"4046","Ordinal":"2","NoteData":"2016-12-15","Type":"Other","Title":"Published"},{"CveYear":"2016","CveId":"4046","Ordinal":"3","NoteData":"2018-10-19","Type":"Other","Title":"Modified"}]}}}