CVE-2021-21973

KEV
Published: Feb 24, 2021 Last Modified: Ott 30, 2025
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
MEDIUM 5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: none
Availability: none

Description

AI Translation Available

The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).

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
0,9034
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

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 6.7
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 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

Cloud Foundation by Vmware

Product Information
Vendor Vmware
Product Cloud Foundation
Version Range Affected
From 3.0 (inclusive)
To 3.10.1.2 (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: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 6.5
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: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: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 4.0 (inclusive)
To 4.2 (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

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: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 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…
https://www.vmware.com/security/advisories/VMSA-2021-0002.h…
https://www.vmware.com/security/advisories/VMSA-2021-0002.html
https://www.vmware.com/security/advisories/VMSA-2021-0002.h…
https://www.vmware.com/security/advisories/VMSA-2021-0002.html