{"id":"CVE-2021-1870","state":"PUBLISHED","title":"A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and ","description":"A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..","publishedAt":"2021-04-02T18:06:42.000Z","updatedAt":"2025-10-21T23:25:49.985Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Apple iOS and iPadOS","Apple macOS"],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"unspecified","status":"affected","lessThan":"14.4","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"11.2","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/HT212147","https://support.apple.com/en-us/HT212146","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/","https://security.gentoo.org/glsa/202104-03","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1870"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:52.848Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/1xxx/CVE-2021-1870.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-1870","state":"PUBLISHED","datePublished":"2021-04-02T18:06:42.000Z","dateUpdated":"2025-10-21T23:25:49.985Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2020-12-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.."}],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"unspecified","status":"affected","lessThan":"14.4","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"11.2","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/HT212147","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT212146","tags":["x_refsource_MISC"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/","name":"FEDORA-2021-864dc37032","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/","name":"FEDORA-2021-619711d709","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://security.gentoo.org/glsa/202104-03","name":"GLSA-202104-03","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"apple","dateUpdated":"2021-05-01T01:06:25.000Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"product-security@apple.com","ID":"CVE-2021-1870","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"iOS and iPadOS","version":{"version_data":[{"version_affected":"<","version_value":"14.4"}]}},{"product_name":"macOS","version":{"version_data":[{"version_affected":"<","version_value":"11.2"}]}}]},"vendor_name":"Apple"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited."}]}]},"references":{"reference_data":[{"name":"https://support.apple.com/en-us/HT212147","refsource":"MISC","url":"https://support.apple.com/en-us/HT212147"},{"name":"https://support.apple.com/en-us/HT212146","refsource":"MISC","url":"https://support.apple.com/en-us/HT212146"},{"name":"FEDORA-2021-864dc37032","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/"},{"name":"FEDORA-2021-619711d709","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/"},{"name":"GLSA-202104-03","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202104-03"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://support.apple.com/en-us/HT212147","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://support.apple.com/en-us/HT212146","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/","name":"FEDORA-2021-864dc37032","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/","name":"FEDORA-2021-619711d709","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202104-03","name":"GLSA-202104-03","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T16:25:06.462Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1870","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2021-1870","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-01-29T17:34:00.248018Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1870"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:25:49.985Z"},"timeline":[{"time":"2021-11-03T00:00:00.000Z","lang":"en","value":"CVE-2021-1870 added to CISA KEV"}]}]}}}