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01 Record

CVE-2021-22048

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

UnratedPUBLISHEDCNA: vmware
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
10.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 95.3% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-10 17:50Z4 YR AGO
Last updated
2024-08-03 18:30Z2 YR AGO
Reserved
2021-01-04
Assigning CNA
vmware
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
c769675a0e843d77a17ef0e76b765b32ed74c1f5db7939c6405c6912e3cf7a56

05 Affected products

VendorProductVersionsPlatforms
n/aVMware vCenter Server and VMware Cloud FoundationVMware vCenter Server(7.0 and 6.7) and VMware Cloud Foundation (4.x and 3.x)—

06 References