March 2021

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• Critical 9.8
  CVE-2021-21975 Exploited · Ransomware Public exploit EPSS 78%

  Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious acto…

  Mar 31, 2021

  KEV Jan 18, 2022
• Critical 9.8
  CVE-2021-22986 Exploited · Ransomware Public exploit EPSS 100%

  On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12…

  Mar 31, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-21193 Exploited Public exploit

  Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap co…

  Google Chrome chromium chromium-browser Browsers Debian Ubuntu Alpine
  Mar 16, 2021

  KEV Nov 3, 2021
• High 8.8
  CVE-2021-26411 Exploited · Ransomware Public exploit EPSS 82%

  Internet Explorer Memory Corruption Vulnerability

  Internet Explorer Memory Corruption Vulnerability

  Microsoft Internet Explorer 11 Internet Explorer 9 Microsoft Edge (EdgeHTML-based) Browsers
  Mar 11, 2021

  KEV Nov 3, 2021
• Medium 4.4
  CVE-2021-25337 Exploited Public exploit

  Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted…

  Samsung Mobile Samsung Mobile Devices
  Mar 4, 2021

  KEV Nov 8, 2022
• Critical 9.8
  CVE-2021-22681 Exploited Public exploit EPSS 64%

  Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key…

  Mar 3, 2021

  KEV Mar 5, 2026
• High 7.8
  CVE-2021-27065 Exploited · Ransomware Public exploit EPSS 100%

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft Exchange Server 2019 Cumulative Update 8
  Mar 2, 2021

  KEV Nov 3, 2021
• Critical 9.1
  CVE-2021-26855 Exploited · Ransomware Public exploit EPSS 100%

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft Exchange Server 2019 Cumulative Update 8
  Mar 2, 2021

  KEV Nov 3, 2021
• High 7.8
  CVE-2021-26857 Exploited · Ransomware Public exploit EPSS 96%

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Exchange Server Remote Code Execution Vulnerability

  Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft Exchange Server 2019 Cumulative Update 8
  Mar 2, 2021

  KEV Nov 3, 2021
• High 8.2
  CVE-2021-27877 Exploited · Ransomware Public exploit EPSS 65%

  An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentica…

  Mar 1, 2021

  KEV Apr 7, 2023
• High 8.8
  CVE-2021-27878 Exploited · Ransomware Public exploit EPSS 24%

  An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires su…

  Mar 1, 2021

  KEV Apr 7, 2023
• High 8.1
  CVE-2021-27876 Exploited · Ransomware Public exploit EPSS 14%

  An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires su…

  Mar 1, 2021

  KEV Apr 7, 2023