VULNERABILITY INTELLIGENCE

CVE-2021-21992

CVSS score6.5 MEDIUM
EPSS probability0.98%
CISA KEVNot currently listed
Published2021-09-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references