DSA-2021-128: Dell PowerFlex Appliance Security Update for VMware vCenter Server Component Vulnerabilities
Resumen: Dell PowerFlex Appliance remediation is available for VMware vCenter Server that may be exploited by malicious users to compromise the affected system.
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Impacto
Critical
Detalles
| Third-party Component |
CVEs | More information |
| VMware vCenter Server | CVE-2021-21985 | VMSA-2021-0010 |
| CVE-2021-21986 |
| Third-party Component |
CVEs | More information |
| VMware vCenter Server | CVE-2021-21985 | VMSA-2021-0010 |
| CVE-2021-21986 |
Corrección y productos afectados
| CVEs Addressed | Product | Affected Versions | Updated Versions | Link to Update |
| CVE-2021-21985 CVE-2021-21986 |
PowerFlex Appliance | Versions before Intelligent_Catalog_37_361_00_r14, Versions before Intelligent_Catalog_37_355_00_r16 | Intelligent_Catalog_37_361_00_r14, Intelligent_Catalog_37_355_00_r16 | For IC downloads: https://www.dell.com/support/home/en-us/product-support/product/vxflex-appliance-sw/drivers |
| CVEs Addressed | Product | Affected Versions | Updated Versions | Link to Update |
| CVE-2021-21985 CVE-2021-21986 |
PowerFlex Appliance | Versions before Intelligent_Catalog_37_361_00_r14, Versions before Intelligent_Catalog_37_355_00_r16 | Intelligent_Catalog_37_361_00_r14, Intelligent_Catalog_37_355_00_r16 | For IC downloads: https://www.dell.com/support/home/en-us/product-support/product/vxflex-appliance-sw/drivers |
Soluciones alternativas y mitigaciones
PowerFlex Appliance includes the updated vCenter versions containing the remediation in an upcoming release update. In the meantime, the following workaround is recommended for PowerFlex Appliance customers.
VMware’s recommended workaround is to temporarily disable the “VMware vSAN H5 client plug-in” for vCenter Server.
The procedure to disable the plug-in is outlined in the VMware KB article: https://kb.vmware.com/s/article/83829
Note:
- The workaround is expected to be a temporary mitigation until the updated release is available.
- Changes in the workaround must be reverted after applying the vCenter update. Procedure to revert the changes is outlined in https://kb.vmware.com/s/article/83829.
- vSAN continues to function as expected, and vSAN related alarms continue to trigger for any events in the environment. These features are not dependent on the vSAN H5 plug-in.
- The vSAN sections in the Monitoring and Configuration tabs in the vCenter UI are unavailable, and thus you cannot change the existing vSAN configuration.
- The Skyline/vSAN Health UI interface is unavailable but the underlying logic monitoring the environment is still functional.
- If there is a critical issue with vSAN, then the plug-in may need to be temporarily enabled to assist with troubleshooting and quicker resolution. When the issue is addressed, the plug-in can be disabled again. In this scenario, vCenter is exposed to the vulnerability as described in VMSA-2021-0010 while the plug-in is enabled.
https://blogs.vmware.com/vsphere/2021/05/vmsa-2021-0010.html
Historial de revisiones
| Revision | Date | Description |
| 1.0 | 2021-06-14 | Initial release - Workarounds and Mitigations |
| 2.0 | 2021-07-13 | Updated Affected Products and Remediation section to add Affected versions, Updated versions, and Link to Update information. |
Información relacionada
Descargo de responsabilidad
Productos afectados
PowerFlex Appliance, Product Security Information, PowerFlex appliance R640, PowerFlex appliance R740XD, PowerFlex appliance R840Propiedades del artículo
Número del artículo: 000188318
Tipo de artículo: Dell Security Advisory
Última modificación: 18 set. 2025
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