CVE-2021-21986
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.
Published:May 26, 2021
Last Modified:Nov 21, 2024
EPS:May 26, 2021
EPSS Score:0.00984
CVSS Score:9.8
Affected Products
Vendor
Product
Action
Vendor
Vmware
Product
Cloud Foundation
Vmware
Cloud Foundation
Vendor
Vmware
Product
Vcenter Server
Vmware
Vcenter Server
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
