CVE-2021-22048

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

10/11/2021

Last modified:

31/10/2025

Description

The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.80

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

6.50

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:vmware:cloud_foundation::::::::	3.0 (including)	3.10.2.2 (including)
cpe:2.3:a:vmware:cloud_foundation::::::::	4.0 (including)	4.1.0.1 (including)
cpe:2.3:a:vmware:vcenter_server:6.5:-::::::
cpe:2.3:a:vmware:vcenter_server:6.7:-::::::
cpe:2.3:a:vmware:vcenter_server:7.0:-::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-22048

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools