{"history":[{"alert":0,"cve":"CVE-2021-30807","id":22220,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.28839, \"percentile\": 0.98178}"},{"alert":0,"cve":"CVE-2021-30807","id":19839,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.28839, \"percentile\": 0.98166}"},{"alert":0,"cve":"CVE-2021-30807","id":17805,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.28839, \"percentile\": 0.98164}"},{"alert":0,"cve":"CVE-2021-30807","id":15869,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.28839, \"percentile\": 0.98163}"},{"alert":0,"cve":"CVE-2021-30807","id":13847,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.28839, \"percentile\": 0.98162}"},{"alert":0,"cve":"CVE-2021-30807","id":11629,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.28839, \"percentile\": 0.9816}"},{"alert":0,"cve":"CVE-2021-30807","id":9615,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.28839, \"percentile\": 0.98158}"},{"alert":1,"cve":"CVE-2021-30807","id":8467,"kind":"cna","observed_at":1793874000,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-03T22:48:12.675Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212622\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212623\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212713\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"LOCAL\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2021-30807\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2025-01-29T17:23:39.807032Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:25:28.262Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2021-11-03T00:00:00.000Z\", \"value\": \"CVE-2021-30807 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"11.5\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"14.7\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"7.6\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.\"}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.\", \"lang\": \"en\", \"type\": \"text\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2021-10-19T13:12:40.000Z\", \"orgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"shortName\": \"apple\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212622\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212623\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212713\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"product-security@apple.com\", \"ID\": \"CVE-2021-30807\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"11.5\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"14.7\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"7.6\"}]}}]}, \"vendor_name\": \"Apple\"}]}}, \"data_format\": \"MITRE\", \"data_type\": \"CVE\", \"data_version\": \"4.0\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"https://support.apple.com/en-us/HT212622\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212622\"}, {\"name\": \"https://support.apple.com/en-us/HT212623\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212623\"}, {\"name\": \"https://support.apple.com/en-us/HT212713\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212713\"}]}}}}, \"cveMetadata\": {\"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"assignerShortName\": \"apple\", \"cveId\": \"CVE-2021-30807\", \"datePublished\": \"2021-10-19T13:12:40.000Z\", \"dateReserved\": \"2021-04-13T00:00:00.000Z\", \"dateUpdated\": \"2025-10-21T23:25:28.262Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2021-30807","id":7163,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.28839, \"percentile\": 0.98157}"},{"alert":0,"cve":"CVE-2021-30807","id":4940,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.28839, \"percentile\": 0.98153}"},{"alert":0,"cve":"CVE-2021-30807","id":2722,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.28839, \"percentile\": 0.9815}"},{"alert":1,"cve":"CVE-2021-30807","id":1506,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2021-30807\", \"cwes\": [\"CWE-787\"], \"dateAdded\": \"2021-11-03\", \"dueDate\": \"2021-11-17\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2021-30807\", \"product\": \"Multiple Products\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.\", \"vendorProject\": \"Apple\", \"vulnerabilityName\": \"Apple Multiple Products Memory Corruption Vulnerability\"}"}],"record":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"11.5","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.7","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"7.6","status":"affected","version":"unspecified","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-03T22:48:12.675Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212622"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212623"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212713"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2021-30807","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-01-29T17:23:39.807032Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-21T23:25:28.262Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807"}],"timeline":[{"lang":"en","time":"2021-11-03T00:00:00.000Z","value":"CVE-2021-30807 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"11.5","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.7","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"7.6","status":"affected","version":"unspecified","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited."}],"problemTypes":[{"descriptions":[{"description":"An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-10-19T13:12:40.000Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple"},"references":[{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212622"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212623"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212713"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"product-security@apple.com","ID":"CVE-2021-30807","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"11.5"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"14.7"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"7.6"}]}}]},"vendor_name":"Apple"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited."}]}]},"references":{"reference_data":[{"name":"https://support.apple.com/en-us/HT212622","refsource":"MISC","url":"https://support.apple.com/en-us/HT212622"},{"name":"https://support.apple.com/en-us/HT212623","refsource":"MISC","url":"https://support.apple.com/en-us/HT212623"},{"name":"https://support.apple.com/en-us/HT212713","refsource":"MISC","url":"https://support.apple.com/en-us/HT212713"}]}}}},"cveMetadata":{"assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","assignerShortName":"apple","cveId":"CVE-2021-30807","datePublished":"2021-10-19T13:12:40.000Z","dateReserved":"2021-04-13T00:00:00.000Z","dateUpdated":"2025-10-21T23:25:28.262Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1794370801,"cve":"CVE-2021-30807","description":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.","epss":{"date":"2026-11-12","epss":0.28839,"percentile":0.98178},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2021-30807","cwes":["CWE-787"],"dateAdded":"2021-11-03","dueDate":"2021-11-17","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-30807","product":"Multiple Products","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.","vendorProject":"Apple","vulnerabilityName":"Apple Multiple Products Memory Corruption Vulnerability"},"kev_checked":1794522003,"products":"Apple macOS","references":["https://support.apple.com/en-us/HT212622","https://support.apple.com/en-us/HT212623","https://support.apple.com/en-us/HT212713","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30807"],"score":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"CISA-ADP","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Apple Multiple Products Memory Corruption Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}
