{"history":[{"alert":0,"cve":"CVE-2021-30883","id":22216,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.14721, \"percentile\": 0.96721}"},{"alert":0,"cve":"CVE-2021-30883","id":19835,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.14721, \"percentile\": 0.967}"},{"alert":0,"cve":"CVE-2021-30883","id":17801,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.14721, \"percentile\": 0.96697}"},{"alert":0,"cve":"CVE-2021-30883","id":15865,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.14721, \"percentile\": 0.96695}"},{"alert":0,"cve":"CVE-2021-30883","id":13843,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.14721, \"percentile\": 0.96694}"},{"alert":0,"cve":"CVE-2021-30883","id":11625,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.14721, \"percentile\": 0.9669}"},{"alert":0,"cve":"CVE-2021-30883","id":9611,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.14721, \"percentile\": 0.96688}"},{"alert":1,"cve":"CVE-2021-30883","id":8463,"kind":"cna","observed_at":1793874000,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-03T22:48:14.078Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212869\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212872\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212846\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212868\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212874\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://support.apple.com/en-us/HT212876\"}], \"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-2021-30883\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2025-01-29T17:29:52.271262Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-05-23\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:25:36.839Z\", \"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-2021-30883\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2022-05-23T00:00:00.000Z\", \"value\": \"CVE-2021-30883 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"iOS and iPadOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"15.0\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"iOS and iPadOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"14.8\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"12.0\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"11.6\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"8.1\", \"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\"}]}, {\"product\": \"macOS\", \"vendor\": \"Apple\", \"versions\": [{\"lessThan\": \"15.1\", \"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 iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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\": \"2021-10-28T18:29:41.000Z\", \"orgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"shortName\": \"apple\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212869\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212872\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212846\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212868\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212874\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://support.apple.com/en-us/HT212876\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"product-security@apple.com\", \"ID\": \"CVE-2021-30883\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"iOS and iPadOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"15.0\"}]}}, {\"product_name\": \"iOS and iPadOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"14.8\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"12.0\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"11.6\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"8.1\"}]}}, {\"product_name\": \"macOS\", \"version\": {\"version_data\": [{\"version_affected\": \"<\", \"version_value\": \"15.1\"}]}}]}, \"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 iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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/HT212869\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212869\"}, {\"name\": \"https://support.apple.com/en-us/HT212872\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212872\"}, {\"name\": \"https://support.apple.com/en-us/HT212846\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212846\"}, {\"name\": \"https://support.apple.com/en-us/HT212868\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212868\"}, {\"name\": \"https://support.apple.com/en-us/HT212874\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212874\"}, {\"name\": \"https://support.apple.com/en-us/HT212876\", \"refsource\": \"MISC\", \"url\": \"https://support.apple.com/en-us/HT212876\"}]}}}}, \"cveMetadata\": {\"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"assignerShortName\": \"apple\", \"cveId\": \"CVE-2021-30883\", \"datePublished\": \"2021-08-24T18:49:47.000Z\", \"dateReserved\": \"2021-04-13T00:00:00.000Z\", \"dateUpdated\": \"2025-10-21T23:25:36.839Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2021-30883","id":7159,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.14721, \"percentile\": 0.96686}"},{"alert":0,"cve":"CVE-2021-30883","id":4936,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.14721, \"percentile\": 0.96679}"},{"alert":0,"cve":"CVE-2021-30883","id":2718,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.14721, \"percentile\": 0.96675}"},{"alert":1,"cve":"CVE-2021-30883","id":1087,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2021-30883\", \"cwes\": [\"CWE-787\"], \"dateAdded\": \"2022-05-23\", \"dueDate\": \"2022-06-13\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2021-30883\", \"product\": \"Multiple Products\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.\", \"vendorProject\": \"Apple\", \"vulnerabilityName\": \"Apple Multiple Products Memory Corruption Vulnerability\"}"}],"record":{"affected":[{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"15.0","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"14.8","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"12.0","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"11.6","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"8.1","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"15.1","status":"affected","version":"unspecified","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-03T22:48:14.078Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212869"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212872"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212846"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212868"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212874"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://support.apple.com/en-us/HT212876"}],"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-2021-30883","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-01-29T17:29:52.271262Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-05-23","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-21T23:25:36.839Z","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-2021-30883"}],"timeline":[{"lang":"en","time":"2022-05-23T00:00:00.000Z","value":"CVE-2021-30883 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"15.0","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"14.8","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"12.0","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"11.6","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"8.1","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"15.1","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 iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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":"2021-10-28T18:29:41.000Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple"},"references":[{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212869"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212872"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212846"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212868"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212874"},{"tags":["x_refsource_MISC"],"url":"https://support.apple.com/en-us/HT212876"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"product-security@apple.com","ID":"CVE-2021-30883","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"iOS and iPadOS","version":{"version_data":[{"version_affected":"<","version_value":"15.0"}]}},{"product_name":"iOS and iPadOS","version":{"version_data":[{"version_affected":"<","version_value":"14.8"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"12.0"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"11.6"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"8.1"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"15.1"}]}}]},"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 iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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/HT212869","refsource":"MISC","url":"https://support.apple.com/en-us/HT212869"},{"name":"https://support.apple.com/en-us/HT212872","refsource":"MISC","url":"https://support.apple.com/en-us/HT212872"},{"name":"https://support.apple.com/en-us/HT212846","refsource":"MISC","url":"https://support.apple.com/en-us/HT212846"},{"name":"https://support.apple.com/en-us/HT212868","refsource":"MISC","url":"https://support.apple.com/en-us/HT212868"},{"name":"https://support.apple.com/en-us/HT212874","refsource":"MISC","url":"https://support.apple.com/en-us/HT212874"},{"name":"https://support.apple.com/en-us/HT212876","refsource":"MISC","url":"https://support.apple.com/en-us/HT212876"}]}}}},"cveMetadata":{"assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","assignerShortName":"apple","cveId":"CVE-2021-30883","datePublished":"2021-08-24T18:49:47.000Z","dateReserved":"2021-04-13T00:00:00.000Z","dateUpdated":"2025-10-21T23:25:36.839Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1794370801,"cve":"CVE-2021-30883","description":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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":0.14721,"percentile":0.96721},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2021-30883","cwes":["CWE-787"],"dateAdded":"2022-05-23","dueDate":"2022-06-13","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-30883","product":"Multiple Products","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.","vendorProject":"Apple","vulnerabilityName":"Apple Multiple Products Memory Corruption Vulnerability"},"kev_checked":1794522003,"products":"Apple iOS and iPadOS, Apple macOS","references":["https://support.apple.com/en-us/HT212869","https://support.apple.com/en-us/HT212872","https://support.apple.com/en-us/HT212846","https://support.apple.com/en-us/HT212868","https://support.apple.com/en-us/HT212874","https://support.apple.com/en-us/HT212876","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883"],"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":[]}
