CVE-2021-21981

VMware NSX-T contains a privilege escalation vulnerability due to an issue with RBAC (Role based access control) role assignment. Successful exploitation of this issue may allow attackers with local guest user account to assign privileges higher than their own permission level.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.vmware.com/security/advisories/VMSA-2021-0006.html	Patch Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0006.html	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:broadcom:vmware_nsx-t_data_center:3.1.1:*:*:*:*:*:*:*

History

13 Aug 2025, 12:52

Type	Values Removed	Values Added
First Time		Broadcom vmware Nsx-t Data Center Broadcom
CPE	cpe:2.3:a:vmware:nsx-t_data_center:3.1.1:::::::*	cpe:2.3:a:broadcom:vmware_nsx-t_data_center:3.1.1:::::::*

21 Nov 2024, 05:49

Type	Values Removed	Values Added
References	~~() https://www.vmware.com/security/advisories/VMSA-2021-0006.html - Patch, Vendor Advisory~~	() https://www.vmware.com/security/advisories/VMSA-2021-0006.html - Patch, Vendor Advisory

Information

Published : 2021-04-19 15:15

Updated : 2025-08-13 12:52

NVD link : CVE-2021-21981

Mitre link : CVE-2021-21981

CVE.ORG link : CVE-2021-21981

JSON object : View

Products Affected

broadcom

vmware_nsx-t_data_center

CWE

CWE-269

Improper Privilege Management

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