{"api_version":"1","generated_at":"2026-07-24T18:58:28+00:00","cve":"CVE-2021-23894","urls":{"html":"https://cve.report/CVE-2021-23894","api":"https://cve.report/api/cve/CVE-2021-23894.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-23894","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23894"},"summary":{"title":"CVE-2021-23894","description":"Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server.","state":"PUBLIC","assigner":"psirt@mcafee.com","published_at":"2021-06-02 13:15:00","updated_at":"2023-11-15 18:47:00"},"problem_types":["CWE-502"],"metrics":[],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10359","name":"https://kc.mcafee.com/corporate/index?page=content&id=SB10359","refsource":"CONFIRM","tags":[],"title":"Security Bulletin - Database Security update fixes five vulnerabilities (CVE-2021-23894, CVE-2021-23895, CVE-2021-23896, CVE-2021-31830, CVE-2021-31831)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-23894","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23894","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"23894","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mcafee","cpe5":"database_security","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"psirt@mcafee.com","ID":"CVE-2021-23894","STATE":"PUBLIC","TITLE":"Unauthorized deserialization of untrusted data in McAfee DBSec"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"McAfee Database Security (DBSec)","version":{"version_data":[{"version_affected":"<","version_value":"4.8.2"}]}}]},"vendor_name":"McAfee,LLC"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-502: Deserialization of Untrusted Data"}]}]},"references":{"reference_data":[{"name":"https://kc.mcafee.com/corporate/index?page=content&id=SB10359","refsource":"CONFIRM","url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10359"}]},"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-06-02 13:15:00","lastModifiedDate":"2023-11-15 18:47:00","problem_types":["CWE-502"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":10},"severity":"HIGH","exploitabilityScore":10,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mcafee:database_security:*:*:*:*:*:*:*:*","versionEndExcluding":"4.8.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"23894","Ordinal":"198634","Title":"CVE-2021-23894","CVE":"CVE-2021-23894","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"23894","Ordinal":"1","NoteData":"Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"23894","Ordinal":"2","NoteData":"2021-06-02","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"23894","Ordinal":"3","NoteData":"2021-06-02","Type":"Other","Title":"Modified"}]}}}