CVE-2021-21986
At a glance Severity Not available EPSS EPSS 13.26 % · percentile 96 (2026-10-27) State PUBLISHED Published 2021-05-26 Updated 2024-08-03 Assigner vmware NVD status Modified 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.
Scores Version Score Vector Scored by CVSS 3.1 CRITICAL 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD · nvd@nist.gov (Primary) CVSS 2.0 HIGH 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:*cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:*+13 more Affected products
References
Sources
