// For flags

CVE-2021-21973

VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

-
*SSVC
Descriptions

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).

El VSphere Client (HTML5) contiene una vulnerabilidad SSRF (Server Side Request Forgery) debido a una comprobación inapropiada de las URL en un plugin de vCenter Server. Un actor malicioso con acceso de red al puerto 443 puede explotar este problema mediante el envío de una petición POST al plugin vCenter Server conllevando a una divulgación de información. Esto afecta a: VMware vCenter Server (versiones 7.x anteriores a 7.0 U1c, versiones 6.7 anteriores a 6.7 U3l y versiones 6.5 anteriores a 6.5 U3n) y VMware Cloud Foundation (versiones 4.x anteriores a 4.2 y versiones 3.x anteriores a 3.10.1.2)

VMware vCenter Server and Cloud Foundation Server contain a SSRF vulnerability due to improper validation of URLs in a vCenter Server plugin. This allows for information disclosure.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-04 CVE Reserved
  • 2021-02-24 CVE Published
  • 2021-03-16 First Exploit
  • 2022-03-07 Exploited in Wild
  • 2022-03-21 KEV Due Date
  • 2024-08-03 CVE Updated
  • 2024-09-03 EPSS Updated
CWE
  • CWE-918: Server-Side Request Forgery (SSRF)
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"
Cloud Foundation
Search vendor "Vmware" for product "Cloud Foundation"
>= 3.0 < 3.10.1.2
Search vendor "Vmware" for product "Cloud Foundation" and version " >= 3.0 < 3.10.1.2"
-
Affected
Vmware
Search vendor "Vmware"
Cloud Foundation
Search vendor "Vmware" for product "Cloud Foundation"
>= 4.0 < 4.2
Search vendor "Vmware" for product "Cloud Foundation" and version " >= 4.0 < 4.2"
-
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"
-
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"
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"
6.7
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"
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