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U.S Cybersecurity Agency Lists 2021’s Top 15 Most Exploited Software Vulnerabilities

April 27, 2022


Log4Shell, ProxyShell, ProxyLogon, ZeroLogon, and flaws in Zoho ManageEngine AD SelfService Plus, Atlassian Confluence, and VMware vSphere Client emerged as some of the top exploited security vulnerabilities in 2021.

That’s according to a “Top Routinely Exploited Vulnerabilities” report released by cybersecurity authorities from the Five Eyes nations Australia, Canada, New Zealand, the U.K., and the U.S.

Other frequently weaponized flaws included a remote code execution bug in Microsoft Exchange Server (CVE-2020-0688), an arbitrary file read vulnerability in Pulse Secure Pulse Connect Secure (CVE-2019-11510), and a path traversal defect in Fortinet FortiOS and FortiProxy (CVE-2018-13379).

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