The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated…
Priority MEDIUM 51Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.10296 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | VMware vCenter Server and VMware Cloud Foundation | VMware vCenter Server(7.0 and 6.7) and VMware Cloud Foundation (4.x and 3.x) | — | No fix listed | CNA |
- VMware vCenter Server and VMware Cloud Foundation Vendor— Affected VMware vCenter Server(7.0 and 6.7) and VMware Cloud Foundation (4.x and 3.x) Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* | 3.0 – 3.10.2.2; 4.0 – 4.1.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* | 6.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:* | 6.7 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* | 7.0 | Vulnerable | VMware |
- cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* Versions 3.0 – 3.10.2.2; 4.0 – 4.1.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* Versions 6.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:* Versions 6.7 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* Versions 7.0 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22048
- 2026-10-03 Alias added: GHSA-mcvx-m9qp-9vfp
References
More VMware Cloud Foundation vulnerabilities
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07131 Code injection in VMware Workspace ONE Access and Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05029 Improper input validation in VMware vCenter Server and VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-22048 · CVE Program
- CVE-2021-22048 · NVD
- FIRST EPSS
- GHSA-mcvx-m9qp-9vfp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences