01 Record
CVE-2021-22009
The vCenter Server contains multiple denial-of-service vulnerabilities in VAPI (vCenter API) service. A malicious actor with network access to port 443 on vCenter Server may exploit these issues to
UnratedPUBLISHEDCNA: vmware
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The vCenter Server contains multiple denial-of-service vulnerabilities in VAPI (vCenter API) service. A malicious actor with network access to port 443 on vCenter Server may exploit these issues to
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
- 1.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
- 2021-09-23 11:51Z5 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
- CWE-668Exposure of Resource to Wrong SphereClass
- Data version
- 5.1
- Document digest
- 23772a8cfbd487b4fe5b3a58b84291a0c9990d20f99ce34f99999432ff4cd835
05 Affected products
VendorProductVersionsPlatforms
n/aVMware vCenter Server, VMware Cloud FoundationVMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)—