Vulnerability Database

314,452

Total vulnerabilities in the database

CVE-2020-3843

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: Feb 27, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2020-3843
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 9.3
  • AV:N/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
apple / watchos - 5.3.7
apple / iphone_os - 12.4.7