CVE-2021-21985

KEV
Published: Mag 26, 2021 Last Modified: Ott 30, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 10,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9441
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

20

Improper Input Validation

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Read Memory Read Files Or Directories Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
470

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Other
Potential Impacts:
Execute Unauthorized Code Or Commands Alter Execution Logic Dos: Crash, Exit, Or Restart Other Read Application Data
Applicable Platforms
Languages: Interpreted, Java, PHP
View CWE Details
918

Server-Side Request Forgery (SSRF)

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control
Potential Impacts:
Read Application Data Execute Unauthorized Code Or Commands Bypass Protection Mechanism
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
View CWE Details
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cloud Foundation by Vmware

Product Information
Vendor Vmware
Product Cloud Foundation
Version Range Affected
From 3.0 (inclusive)
To 3.10.2.1 (exclusive)
cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cloud Foundation by Vmware

Product Information
Vendor Vmware
Product Cloud Foundation
Version Range Affected
From 4.0 (inclusive)
To 4.2.1 (exclusive)
cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.7
cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 6.5
cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Vcenter Server by Vmware

Product Information
Vendor Vmware
Product Vcenter Server
Version 7.0
cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/162812/VMware-Security…
http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.…
http://packetstormsecurity.com/files/163487/VMware-vCenter-…
http://packetstormsecurity.com/files/163487/VMware-vCenter-Server-Virtual-SAN-H…
https://www.vmware.com/security/advisories/VMSA-2021-0010.h…
https://www.vmware.com/security/advisories/VMSA-2021-0010.html
http://packetstormsecurity.com/files/162812/VMware-Security…
http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.…
http://packetstormsecurity.com/files/163487/VMware-vCenter-…
http://packetstormsecurity.com/files/163487/VMware-vCenter-Server-Virtual-SAN-H…
https://www.vmware.com/security/advisories/VMSA-2021-0010.h…
https://www.vmware.com/security/advisories/VMSA-2021-0010.html