CVE Vulnerabilities

CVE-2021-21991

Published: Sep 22, 2021 | Modified: Nov 21, 2024
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
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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

NameVendorStart VersionEnd Version
Cloud_foundationVmware3.0 (including)3.10.2.2 (excluding)
Cloud_foundationVmware4.0 (including)4.3 (excluding)
Vcenter_serverVmware6.5 (including)6.5 (including)
Vcenter_serverVmware6.5-a (including)6.5-a (including)
Vcenter_serverVmware6.5-b (including)6.5-b (including)
Vcenter_serverVmware6.5-c (including)6.5-c (including)
Vcenter_serverVmware6.5-d (including)6.5-d (including)
Vcenter_serverVmware6.5-e (including)6.5-e (including)
Vcenter_serverVmware6.5-f (including)6.5-f (including)
Vcenter_serverVmware6.5-update1 (including)6.5-update1 (including)
Vcenter_serverVmware6.5-update1b (including)6.5-update1b (including)
Vcenter_serverVmware6.5-update1c (including)6.5-update1c (including)
Vcenter_serverVmware6.5-update1d (including)6.5-update1d (including)
Vcenter_serverVmware6.5-update1e (including)6.5-update1e (including)
Vcenter_serverVmware6.5-update1g (including)6.5-update1g (including)
Vcenter_serverVmware6.5-update2 (including)6.5-update2 (including)
Vcenter_serverVmware6.5-update2b (including)6.5-update2b (including)
Vcenter_serverVmware6.5-update2c (including)6.5-update2c (including)
Vcenter_serverVmware6.5-update2d (including)6.5-update2d (including)
Vcenter_serverVmware6.5-update2g (including)6.5-update2g (including)
Vcenter_serverVmware6.5-update3 (including)6.5-update3 (including)
Vcenter_serverVmware6.5-update3d (including)6.5-update3d (including)
Vcenter_serverVmware6.5-update3f (including)6.5-update3f (including)
Vcenter_serverVmware6.5-update3k (including)6.5-update3k (including)
Vcenter_serverVmware6.5-update3n (including)6.5-update3n (including)
Vcenter_serverVmware6.5-update3p (including)6.5-update3p (including)
Vcenter_serverVmware6.7 (including)6.7 (including)
Vcenter_serverVmware6.7-a (including)6.7-a (including)
Vcenter_serverVmware6.7-b (including)6.7-b (including)
Vcenter_serverVmware6.7-d (including)6.7-d (including)
Vcenter_serverVmware6.7-update1 (including)6.7-update1 (including)
Vcenter_serverVmware6.7-update1b (including)6.7-update1b (including)
Vcenter_serverVmware6.7-update2 (including)6.7-update2 (including)
Vcenter_serverVmware6.7-update2a (including)6.7-update2a (including)
Vcenter_serverVmware6.7-update2c (including)6.7-update2c (including)
Vcenter_serverVmware6.7-update3 (including)6.7-update3 (including)
Vcenter_serverVmware6.7-update3a (including)6.7-update3a (including)
Vcenter_serverVmware6.7-update3b (including)6.7-update3b (including)
Vcenter_serverVmware6.7-update3f (including)6.7-update3f (including)
Vcenter_serverVmware6.7-update3g (including)6.7-update3g (including)
Vcenter_serverVmware6.7-update3j (including)6.7-update3j (including)
Vcenter_serverVmware6.7-update3l (including)6.7-update3l (including)
Vcenter_serverVmware6.7-update3m (including)6.7-update3m (including)
Vcenter_serverVmware6.7-update3n (including)6.7-update3n (including)
Vcenter_serverVmware7.0 (including)7.0 (including)
Vcenter_serverVmware7.0-a (including)7.0-a (including)
Vcenter_serverVmware7.0-b (including)7.0-b (including)
Vcenter_serverVmware7.0-c (including)7.0-c (including)
Vcenter_serverVmware7.0-d (including)7.0-d (including)
Vcenter_serverVmware7.0-update1 (including)7.0-update1 (including)
Vcenter_serverVmware7.0-update1a (including)7.0-update1a (including)
Vcenter_serverVmware7.0-update1c (including)7.0-update1c (including)
Vcenter_serverVmware7.0-update1d (including)7.0-update1d (including)
Vcenter_serverVmware7.0-update2 (including)7.0-update2 (including)
Vcenter_serverVmware7.0-update2a (including)7.0-update2a (including)
Vcenter_serverVmware7.0-update2b (including)7.0-update2b (including)

References