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vCenter Server local privilege escalation vulnerability (VMSA-2021-0020) (CVE-2021-21991)

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vCenter Server local privilege escalation vulnerability (VMSA-2021-0020) (CVE-2021-21991)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
09/21/2021
Created
02/03/2022
Added
01/21/2022
Modified
01/24/2022

Description

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).

Solution(s)

  • vmware-vcenter-cve-2021-21991-upgrade-latest

References

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