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May 2021

Vulnerabilities first published in this month (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2021-21985 Exploited · Ransomware Public exploit Scanner template EPSS 100%

    The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtua…

    Virtualization
    KEV Nov 3, 2021
  • Critical 9.8
    CVE-2021-31166 Exploited Public exploit EPSS 100%

    HTTP Protocol Stack Remote Code Execution Vulnerability

    HTTP Protocol Stack Remote Code Execution Vulnerability

    Microsoft Windows 10 Version 20H2 Windows Server version 20H2 Windows 10 Version 2004 Windows
    KEV Apr 6, 2022
  • Critical 9.8
    CVE-2021-1498 Exploited Public exploit Scanner template EPSS 100%

    Cisco HyperFlex HX Command Injection Vulnerabilities

    Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. For more information about these vulnerabilities, see the Det…

    Cisco Cisco HyperFlex HX Data Platform Network devices
    KEV Nov 3, 2021
  • Critical 9.8
    CVE-2021-1497 Exploited Public exploit Scanner template EPSS 100%

    Cisco HyperFlex HX Command Injection Vulnerabilities

    Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. For more information about these vulnerabilities, see the Det…

    Cisco Cisco HyperFlex HX Data Platform Network devices
    KEV Nov 3, 2021