Vulnerability Database

296,223

Total vulnerabilities in the database

CVE-2021-1820

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

  • Published: Sep 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-1820
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
apple / macos 11.0 11.3
apple / iphone_os - 14.5
apple / tvos - 14.5
apple / watchos - 7.4
apple / ipados - 14.5