CVE Vulnerabilities

CVE-2021-21991

Published: Sep 22, 2021 | Modified: Jul 12, 2022
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

The vCenter Server contains a local privilege escalation vulnerability due to the way it handles session tokens. A malicious actor with non-administrative user access on vCenter Server host may exploit this issue to escalate privileges to Administrator on the vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash).

Affected Software

Name Vendor Start Version End Version
Cloud_foundation Vmware 3.0 *
Cloud_foundation Vmware 4.0 *
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.5 6.5
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 6.7 6.7
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0
Vcenter_server Vmware 7.0 7.0

References