CVE-2021-22017

VMware vCenter Server Improper Access Control

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.

Rhttproxy, tal y como se usa en vCenter Server, contiene una vulnerabilidad debido a una implementación inapropiada de la normalización de URI. Un actor malicioso con acceso de red al puerto 443 en vCenter Server puede explotar este problema para omitir el proxy, conllevando a un acceso a endpoints internos

Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization.

*Credits: N/A

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
2021-09-23 CVE Published
2022-01-10 Exploited in Wild
2022-01-24 KEV Due Date
2024-07-04 EPSS Updated
2024-08-03 CVE Updated
---------- 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	2021-09-27

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"		Vcenter Server Search vendor "Vmware" for product "Vcenter Server"				6.7 Search vendor "Vmware" for product "Vcenter Server" and version "6.7"		-		Affected