CVE-2021-21985
published 2021-05-26CVE-2021-21985: The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
KEVITWEXPLOIT
CISA Known Exploited Vulnerabilitydue 2021-11-17
Exploited in the wild
The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| vmware | cloud_foundation | >= 3.0 < 3.10.2.1 | 3.10.2.1 |
| vmware | cloud_foundation | >= 4.0 < 4.2.1 | 4.2.1 |
| vmware | vcenter_server | — | — |
| vmware | vcenter_server | — | — |
| vmware | vcenter_server | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vulncheck9.8CRITICAL
cisa9.8CRITICAL