CVE-2021-22008

VMware vCenter Server Appliance Missing Authentication Information Disclosure Vulnerability

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The vCenter Server contains an information disclosure vulnerability in VAPI (vCenter API) service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue by sending a specially crafted json-rpc message to gain access to sensitive information.

vCenter Server contiene una vulnerabilidad de divulgación de información en el servicio VAPI (vCenter API). Un actor malicioso con acceso de red al puerto 443 en vCenter Server puede explotar este problema mediante el envío de un mensaje json-rpc especialmente diseñado para conseguir acceso a información confidencial

This vulnerability allows remote attackers to disclose sensitive information on affected installations of VMware vCenter Server Appliance. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of jsonrpc messages. The issue results from the lack of proper authentication before processing messages. An attacker can leverage this vulnerability to disclose sensitive information from the server.

*Credits: Sergey Gerasimov and George webpentest Noseevich of SolidLab

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

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
2021-09-22 CVE Published
2024-08-03 CVE Updated
2024-08-29 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.vmware.com/security/advisories/VMSA-2021-0020.html	2022-07-12

URL	Date	SRC

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 < 5.0 Search vendor "Vmware" for product "Cloud Foundation" and version " >= 3.0 < 5.0"		-		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"				6.7 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"				7.0 Search vendor "Vmware" for product "Vcenter Server" and version "7.0"		-		Affected