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 (including) 3.10.2.2 (excluding)
Cloud_foundation Vmware 4.0 (including) 4.3 (excluding)
Vcenter_server Vmware 6.5 (including) 6.5 (including)
Vcenter_server Vmware 6.5-a (including) 6.5-a (including)
Vcenter_server Vmware 6.5-b (including) 6.5-b (including)
Vcenter_server Vmware 6.5-c (including) 6.5-c (including)
Vcenter_server Vmware 6.5-d (including) 6.5-d (including)
Vcenter_server Vmware 6.5-e (including) 6.5-e (including)
Vcenter_server Vmware 6.5-f (including) 6.5-f (including)
Vcenter_server Vmware 6.5-update1 (including) 6.5-update1 (including)
Vcenter_server Vmware 6.5-update1b (including) 6.5-update1b (including)
Vcenter_server Vmware 6.5-update1c (including) 6.5-update1c (including)
Vcenter_server Vmware 6.5-update1d (including) 6.5-update1d (including)
Vcenter_server Vmware 6.5-update1e (including) 6.5-update1e (including)
Vcenter_server Vmware 6.5-update1g (including) 6.5-update1g (including)
Vcenter_server Vmware 6.5-update2 (including) 6.5-update2 (including)
Vcenter_server Vmware 6.5-update2b (including) 6.5-update2b (including)
Vcenter_server Vmware 6.5-update2c (including) 6.5-update2c (including)
Vcenter_server Vmware 6.5-update2d (including) 6.5-update2d (including)
Vcenter_server Vmware 6.5-update2g (including) 6.5-update2g (including)
Vcenter_server Vmware 6.5-update3 (including) 6.5-update3 (including)
Vcenter_server Vmware 6.5-update3d (including) 6.5-update3d (including)
Vcenter_server Vmware 6.5-update3f (including) 6.5-update3f (including)
Vcenter_server Vmware 6.5-update3k (including) 6.5-update3k (including)
Vcenter_server Vmware 6.5-update3n (including) 6.5-update3n (including)
Vcenter_server Vmware 6.5-update3p (including) 6.5-update3p (including)
Vcenter_server Vmware 6.7 (including) 6.7 (including)
Vcenter_server Vmware 6.7-a (including) 6.7-a (including)
Vcenter_server Vmware 6.7-b (including) 6.7-b (including)
Vcenter_server Vmware 6.7-d (including) 6.7-d (including)
Vcenter_server Vmware 6.7-update1 (including) 6.7-update1 (including)
Vcenter_server Vmware 6.7-update1b (including) 6.7-update1b (including)
Vcenter_server Vmware 6.7-update2 (including) 6.7-update2 (including)
Vcenter_server Vmware 6.7-update2a (including) 6.7-update2a (including)
Vcenter_server Vmware 6.7-update2c (including) 6.7-update2c (including)
Vcenter_server Vmware 6.7-update3 (including) 6.7-update3 (including)
Vcenter_server Vmware 6.7-update3a (including) 6.7-update3a (including)
Vcenter_server Vmware 6.7-update3b (including) 6.7-update3b (including)
Vcenter_server Vmware 6.7-update3f (including) 6.7-update3f (including)
Vcenter_server Vmware 6.7-update3g (including) 6.7-update3g (including)
Vcenter_server Vmware 6.7-update3j (including) 6.7-update3j (including)
Vcenter_server Vmware 6.7-update3l (including) 6.7-update3l (including)
Vcenter_server Vmware 6.7-update3m (including) 6.7-update3m (including)
Vcenter_server Vmware 6.7-update3n (including) 6.7-update3n (including)
Vcenter_server Vmware 7.0 (including) 7.0 (including)
Vcenter_server Vmware 7.0-a (including) 7.0-a (including)
Vcenter_server Vmware 7.0-b (including) 7.0-b (including)
Vcenter_server Vmware 7.0-c (including) 7.0-c (including)
Vcenter_server Vmware 7.0-d (including) 7.0-d (including)
Vcenter_server Vmware 7.0-update1 (including) 7.0-update1 (including)
Vcenter_server Vmware 7.0-update1a (including) 7.0-update1a (including)
Vcenter_server Vmware 7.0-update1c (including) 7.0-update1c (including)
Vcenter_server Vmware 7.0-update1d (including) 7.0-update1d (including)
Vcenter_server Vmware 7.0-update2 (including) 7.0-update2 (including)
Vcenter_server Vmware 7.0-update2a (including) 7.0-update2a (including)
Vcenter_server Vmware 7.0-update2b (including) 7.0-update2b (including)

References