// For flags

CVE-2021-21986

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

VSphere Client (HTML5) contiene una vulnerabilidad en un mecanismo de autenticación de vSphere para los plugins Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager y VMware Cloud Director Availability. Un actor malicioso con acceso de red al puerto 443 en vCenter Server puede llevar a cabo acciones permitidas por los plugins afectados sin autenticación

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-04 CVE Reserved
  • 2021-05-26 CVE Published
  • 2024-02-09 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-306: Missing Authentication for Critical Function
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
-
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
e
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
f
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1e
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update1g
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update2
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update2b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update2c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update2d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update2g
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update3
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update3d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update3f
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update3k
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.5
Search vendor "Vmware" for product "Vcenter Server" and version "6.5"
update3n
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
-
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update1
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update1b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update2
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update2a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update2c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3f
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3g
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3j
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3l
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
6.7
Search vendor "Vmware" for product "Vcenter Server" and version "6.7"
update3m
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
-
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
b
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update1
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update1a
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update1c
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update1d
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update2
Affected
Vmware
Search vendor "Vmware"
Vcenter Server
Search vendor "Vmware" for product "Vcenter Server"
7.0
Search vendor "Vmware" for product "Vcenter Server" and version "7.0"
update2a
Affected
Vmware
Search vendor "Vmware"
Cloud Foundation
Search vendor "Vmware" for product "Cloud Foundation"
>= 3.0 < 3.10.2.1
Search vendor "Vmware" for product "Cloud Foundation" and version " >= 3.0 < 3.10.2.1"
-
Affected
Vmware
Search vendor "Vmware"
Cloud Foundation
Search vendor "Vmware" for product "Cloud Foundation"
>= 4.0 < 4.2.1
Search vendor "Vmware" for product "Cloud Foundation" and version " >= 4.0 < 4.2.1"
-
Affected