Cyber Resilience

CVE-2021-21992

Medium

Published: 22 September 2021

Published
22 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0093 76.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21992 is a medium-severity an unspecified weakness vulnerability in Vmware Vcenter Server. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 23.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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a denial-of-service condition on the vCenter Server host.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

vmware
cloud foundation
3.0 — 3.10.2.2 · 4.0 — 4.3
vmware
vcenter server
6.5, 6.7, 7.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References