April 2021

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• High 8.8
  CVE-2021-21224 Exploited EPSS 84%

  Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside …

  Google Chrome chromium chromium-browser Browsers Debian Ubuntu Alpine
  Apr 26, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-21206 Exploited

  Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap c…

  Google Chrome chromium chromium-browser Browsers Debian Ubuntu Alpine
  Apr 26, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-21220 Exploited Public exploit EPSS 70%

  Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to p…

  Google Chrome chromium chromium-browser Browsers Debian Ubuntu Alpine
  Apr 26, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-3493 Exploited Public exploit EPSS 49%

  The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting …

  Ubuntu Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 17, 2021

  KEV Oct 20, 2022
• High 7.8
  CVE-2021-28310 Exploited Public exploit

  Win32k Elevation of Privilege Vulnerability

  Win32k Elevation of Privilege Vulnerability

  Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows
  Apr 13, 2021

  KEV Nov 3, 2021
• High 7.2
  CVE-2021-20022 Exploited · Ransomware EPSS 17%

  SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload …

  SonicWall Email Security Network devices
  Apr 9, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-1789 Exploited EPSS 14%

  A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security …

  Apple macOS iOS and iPadOS qtwebkit-source macOS iOS Debian Ubuntu Alpine
  Apr 2, 2021

  KEV May 4, 2022
• High 7.0
  CVE-2021-1782 Exploited Public exploit

  A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-0…

  Apple macOS iOS and iPadOS macOS iOS
  Apr 2, 2021

  KEV Nov 3, 2021