CISA is aware of the likelihood that cyber threat actors are attempting to exploit CVE-2021-21985, a remote code execution vulnerability in VMware vCenter Server and VMware Cloud Foundation. Although patches were made available on May 25, 2021, unpatched systems remain an attractive target and attackers can exploit this vulnerability to take control of an unpatched system.
CISA encourages users and administrators to review VMware’s VMSA-2021-010, blogpost, and FAQ for more information about the vulnerability and apply the necessary updates as soon as possible, even if out-of-cycle work is required. If an organization cannot immediately apply the updates, then apply the workarounds in the interim.
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