CISA's list that day

17 November 2021

On CISA added 4 vulnerabilities to its list of exploited vulnerabilities, in Perl Exiftool, Microsoft Windows, Microsoft Office and 1 other product. US federal agencies must fix them by .

Added that day

Added that day
VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2021-22204Remote Code ExecutionPerl ExiftoolPatch this weekMetasploit module; EPSS 0.990.99
CVE-2021-40449Win32k Privilege EscalationMicrosoft WindowsPatch this weekRansomware use; Metasploit module; EPSS 0.740.74
CVE-2021-42321Server Remote Code ExecutionMicrosoft ExchangePatch this weekRansomware use; Metasploit module; EPSS 0.920.92
CVE-2021-42292Excel Security Feature BypassMicrosoft OfficePatch soon0.43

Our record of CISA's changes begins on 24 January 2025. For earlier days this page lists the entries CISA dates to this day; changes CISA made that day are not known to us.