CVE-2021-21992

Medium

Description

The vCenter Server contains a denial-of-service vulnerability due to improper XML entity parsing. A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host.

SeverityMedium
CVSS6.5
Exploit probability—
ProductVmware Vcenter Server
PublishedSep 22, 2021
First seenSep 22, 2021

How to fix

Update
  • vmware cloud_foundation3.10.2.2, 4.3 or later

Affected products

ProductAffected versionsFixed in
vmware vcenter_server6.5, 6.7, 7.0—
vmware cloud_foundation3.0 ≤ v < 3.10.2.2, 4.0 ≤ v < 4.33.10.2.2, 4.3

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CVE-2021-21992 · Vmware Vcenter Server · Dark Radar