{"api_version":"1","generated_at":"2026-07-23T16:54:26+00:00","cve":"CVE-2021-30844","urls":{"html":"https://cve.report/CVE-2021-30844","api":"https://cve.report/api/cve/CVE-2021-30844.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-30844","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30844"},"summary":{"title":"CVE-2021-30844","description":"A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.","state":"PUBLIC","assigner":"product-security@apple.com","published_at":"2021-10-19 14:15:00","updated_at":"2022-10-11 20:03:00"},"problem_types":["CWE-401"],"metrics":[],"references":[{"url":"https://support.apple.com/kb/HT212872","name":"https://support.apple.com/kb/HT212872","refsource":"CONFIRM","tags":[],"title":"About the security content of macOS Big Sur 11.6.1 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/kb/HT212871","name":"https://support.apple.com/kb/HT212871","refsource":"CONFIRM","tags":[],"title":"About the security content of Security Update 2021-007 Catalina - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/en-us/HT212805","name":"https://support.apple.com/en-us/HT212805","refsource":"MISC","tags":[],"title":"About the security content of Security Update 2021-005 Catalina - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/en-us/HT212804","name":"https://support.apple.com/en-us/HT212804","refsource":"MISC","tags":[],"title":"About the security content of macOS Big Sur 11.6 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-30844","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30844","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"macos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2020","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2020-001","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2020-005","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2020-007","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2021-001","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2021-002","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2021-003","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"security_update_2021-006","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"10.15.7","cpe7":"supplemental_update","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"30844","vulnerable":"1","versionEndIncluding":"10.15.6","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-30844","ASSIGNER":"product-security@apple.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Apple","product":{"product_data":[{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"11.6"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"2021"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"A remote attacker may be able to leak memory"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://support.apple.com/en-us/HT212804","name":"https://support.apple.com/en-us/HT212804"},{"refsource":"MISC","url":"https://support.apple.com/en-us/HT212805","name":"https://support.apple.com/en-us/HT212805"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT212871","url":"https://support.apple.com/kb/HT212871"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT212872","url":"https://support.apple.com/kb/HT212872"}]},"description":{"description_data":[{"lang":"eng","value":"A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory."}]}},"nvd":{"publishedDate":"2021-10-19 14:15:00","lastModifiedDate":"2022-10-11 20:03:00","problem_types":["CWE-401"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"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:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","versionStartIncluding":"10.15","versionEndIncluding":"10.15.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionEndExcluding":"11.6.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"30844","Ordinal":"206122","Title":"CVE-2021-30844","CVE":"CVE-2021-30844","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"30844","Ordinal":"1","NoteData":"A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"30844","Ordinal":"2","NoteData":"2021-10-19","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"30844","Ordinal":"3","NoteData":"2021-10-19","Type":"Other","Title":"Modified"}]}}}