CVE-2021-21992
MEDIUMVMware Cloud Foundation >=3.0 <3.10.2.2 and vCenter Server - Denial of Service via XML Entity Parsing
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.vmware.com/security/advisories/VMSA-2021-0020.html
Scores
CVSS v3
6.5
EPSS
0.0093
EPSS Percentile
76.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (4)
vmware/cloud_foundation
3.0 - 3.10.2.2
vmware/vcenter_server
6.5 (24 CPE variants)
vmware/vcenter_server
6.7 (18 CPE variants)
vmware/vcenter_server
7.0 (7 CPE variants)
Published
Sep 22, 2021
Tracked Since
Feb 18, 2026