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CVE-2021-22005

ID: a775a07f-38d1-5c03-96f1-650982ae010c

STIX ID: report--a775a07f-38d1-5c03-96f1-650982ae010c

Feed Name: Arctic Wolf Blog

Threat Score
85/100

Date Published: 2021-09-29

Date Updated: 2026-04-26

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VMware released a patch advisory for CVE-2021-22005, a critical (CVSS 9.8) arbitrary-file-upload vulnerability in vCenter Server and VMware Cloud Foundation that can yield unauthenticated remote code execution via port 443. Partial PoC code has been published and threat actors are scanning for exposed vCenter instances; Arctic Wolf recommends immediate patching or applying VMware’s temporary workaround to mitigate likely ransomware-targeting exploitation.

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