Cyber Resilience

CVE-2021-22048

HighPublic PoC

Published: 10 November 2021

Published
10 November 2021
Modified
31 October 2025
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0142 81.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22048 is a high-severity an unspecified weakness vulnerability in Vmware Vcenter Server. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 19.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.

CWE(s)
NVD-CWE-noinfo

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 — 4.1.0.1
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