Description: The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.
CVE-2021-21986
Published Date: 2021-05-26T15:15Z
Last Modified: 2022-07-12T17:42Z
CVSS Score: 9.8 (CRITICAL)
EPSS Score: 0.21%
Risk Score: 6.86 (HIGH)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
9.8 |
EPSS:
0.21%
Mitre ATT&CK Technical v15.1
T1583.004 – Server
T1584.004 – Server
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
Vendor - Produce - Version
vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, vcenter_server - vmware, cloud_foundation - vmware, cloud_foundation - vmware
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