ProxyShell Bugs Maybe Exploited, Servers To Be Patched

Microsoft has now issued recommendations for the commonly abused ProxyShell flaws that affect certain on-premises Microsoft Exchange variants. ProxyShell is a combination of three security vulnerabilities found by Devcore security researcher Orange Tsai (patched in April and May) and used to attack a Microsoft Exchange server during the Pwn2Own 2021 hacking competition: CVE-2021-34523 – Elevation

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