CVE-2021-21985
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
VMware vSphere Client contains an improper input validation vulnerability in the Virtual SAN Health Check plug-in, which is enabled by default in vCenter Server, which allows for remote code execution.
CISA Known Exploited Vulnerability
Vendor / Product
VMware — vCenter Server
Date Added
2021-11-03
Remediation Due
2021-11-17
Ransomware Use
CONFIRMED
https://nvd.nist.gov/vuln/detail/CVE-2021-21985
Affected Software (53)
| Vendor | Product | Version |
|---|---|---|
| vmware | cloud_foundation | 3.0 – 3.10.2.1 |
| vmware | cloud_foundation | 4.0 – 4.2.1 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.5 |
| vmware | vcenter_server | 6.7 |
| vmware | vcenter_server | 6.7 |
| vmware | vcenter_server | 6.7 |
| vmware | vcenter_server | 6.7 |
| vmware | vcenter_server | 6.7 |
Showing 30 of 53 entries
References & Advisories (4)
Vendor Advisory
US Government Resource
Third Party Advisory
VDB Entry
Exploit
Third Party Advisory
VDB Entry