{"id":"CVE-2020-27932","published":"2020-12-08T21:15:13Z","modified":"2026-06-17T03:09:53Z","title":"Apple Multiple Products Type Confusion Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.","provenance":"source","from":"NVD"},"summary":{"text":"A type confusion flaw in Apple's multiple products, addressed through improved state handling, affects several Apple operating systems including macOS, iOS, iPadOS and watchOS. A malicious application can exploit it to execute arbitrary code with kernel privileges, requiring local access and user interaction to run the application.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T05:10:22Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.10337,"percentile":0.95704,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-27932","provenance":"source"},"vulncheckKev":{"dateAdded":"2020-10-26","exploitedFirstSeen":"2020-10-26","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2020-10-26"},{"url":"https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2020/CVE-2020-16009.html","date":"2021-02-04"},{"url":"https://blog.google/threat-analysis-group/analyzing-watering-hole-campaign-using-macos-exploits/","date":"2021-10-11"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2021-11-03"},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit/","date":"2026-03-03"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-843","name":"Access of Resource Using Incompatible Type"}],"references":[{"url":"http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/32","tags":["Mailing List","Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT211928","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211929","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211931","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211940","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211944","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211945","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211946","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211947","tags":["Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/32","tags":["Mailing List","Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT211928","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211929","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211931","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211940","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211944","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211945","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211946","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211947","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-27932","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: User runs malicious application, triggering exploit","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"A malicious application may be able to execute arbitrary code","start":339,"end":400}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Kernel-level code execution implies privilege escalation","mappingType":"primary_impact","evidence":[{"from":"description","quote":"may be able to execute arbitrary code with kernel privileges","start":363,"end":423}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-20425","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20425","exploited":true,"exploitedSince":"2021-11-03","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":["http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html"],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"ai"},{"stage":"primary","techniques":["T1068"],"provenance":"ai"}],"timeline":[{"date":"2020-10-26","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2020-12-08","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27932","provenance":"source"},{"date":"2021-11-03","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2021-11-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20425","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":330},"priority":{"score":67.6,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 2196 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.14,"detail":"percentile 0.9570"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD exploit link"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-843"}}