{"id":"CVE-2020-3843","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-3843","generatedAt":"2026-10-27T23:28:51.755Z","title":"A memory corruption issue was addressed with improved input validation.","description":"A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","published":"2020-02-27T21:15:17.000Z","lastModified":"2026-06-17T03:19:08.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["apple/iphone os","apple/watchos"],"epss":{"score":0.03578,"percentile":0.89321,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT211169","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT211176","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT211169","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT211176","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-3843","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}