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Case File

CVE-2021-21992

MEDIUM · CVSS 6.5 EPSS 0.98% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects vCenter. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-21992
Severity
MEDIUM
CVSS
6.5
EPSS
0.98%
vCenter

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)