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Document Subtype: Security Bulletin Potential Security Impact: Remote: Code Execution Source: Hewlett Packard Enterprise, HPE Product Security Response Team VULNERABILITY SUMMARY VMware announced security vulnerability (CVE-2021-21985,CVE-2021-21986) on systems managed by various versions of VMware vCenter Server. This VMware vulnerability can potentially impact HPE SimpliVity Systems (HPE SimpliVity 380 Gen 9, HPE SimpliVity 380 Gen 10, HPE SimpliVity 380 Gen 10 G, HPE SimpliVity Gen 10 H, HPE SimpliVity 2600 Gen 10, SimpliVity OmniCube, SimpliVity OmniStack for Cisco, SimpliVity OmniStack for Lenovo and SimpliVity OmniStack for Dell nodes) managed by ESXi 6.5 / 6.7 / 7.0 version of vCenter software. The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit these issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. References: CVE-2021-21985 CVE-2021-21986 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HPE SimpliVity 2600 Gen10 - All active versions HPE SimpliVity 2600 - All active versions HPE SimpliVity 325 - All active versions HPE SimpliVity 380 Gen10 - All active versions HPE SimpliVity 380 Gen10 G - All active versions HPE SimpliVity 380 Gen10 H - All active versions HPE SimpliVity 380 Gen9 - All active versions SimpliVity OmniCube - All active versions SimpliVity OmniStack for Cisco - All active versions SimpliVity OmniStack for Dell - All active versions SimpliVity OmniStack for Lenovo - All active versions BACKGROUND HPE calculates CVSS using CVSS Version 3.1. If the score is provided from NIST, we will display Version 2.0, 3.0, or 3.1 as provided from NVD. Reference V3 Vector V3 Base Score V2 Vector V2 Base Score CVE-2021-21985 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) 9.8 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10 CVE-2021-21986 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) 9.8 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10 Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002 RESOLUTION In order to remediate, please manually apply the following vCenter patches: For vCenter version 6.5 update to vCenter Server 6.5 Update 3p or vCenter Server Appliance 6.5 Update 3p For vCenter version 6.7 update to vCenter Server 6.7 Update 3n or vCenter Server Appliance 6.7 Update 3n For vCenter version 7.0 update to vCenter Server 7.0 Update 2b IMPORTANT: Please refer to the HPE SimpliVity Omnistack Interoperability Guide for the latest firmware and software policies, hypervisor guidelines and supported upgrade paths. Interoperability Guide will be updated in next update cycle. Current Active versions Reference Additional VMware reference Customers running on vCenter 7.0 are advised to refer customer advisory HISTORY Version:1 (rev.1) - 12 July 2021 Initial release Third Party Security Patches: Third party security patches that are to be installed on systems running Hewlett Packard Enterprise (HPE) software products should be applied in accordance with the customer's patch management policy. Support: For issues about implementing the recommendations of this Security Bulletin, contact normal HPE Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hpe.com. Report: To report a potential security vulnerability for any HPE supported product: Web Form: https://www.hpe.com/info/report-security-vulnerability Email: security-alert@hpe.com Hewlett Packard Enterprise Product Security Response Policy: https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=a00100637en_us Subscribe: To initiate a subscription to receive future HPE Security Bulletin alerts via Email: http://www.hpe.com/support/Subscriber_Choice Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://www.hpe.com/support/Security_Bulletin_Archive System management and security procedures must be reviewed frequently to maintain system integrity. HPE is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions. "HPE is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HPE products the important security information contained in this Bulletin. HPE recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HPE does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HPE will not be responsible for any damages resulting from user's use or disregard of the information provided in this Bulletin. To the extent permitted by law, HPE disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement." ©Copyright 2025 Hewlett Packard Enterprise Development LP Hewlett Packard Enterprise Development shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HPE nor its affiliates, subcontractors or suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett Packard Enterprise Development and the names of Hewlett Packard Enterprise Development products referenced herein are trademarks of Hewlett Packard Enterprise Development in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners.
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In order to remediate, please manually apply the following vCenter patches: For vCenter version 6.5 update to vCenter Server 6.5 Update 3p or vCenter Server Appliance 6.5 Update 3p For vCenter version 6.7 update to vCenter Server 6.7 Update 3n or vCenter Server Appliance 6.7 Update 3n For vCenter version 7.0 update to vCenter Server 7.0 Update 2b IMPORTANT: Please refer to the HPE SimpliVity Omnistack Interoperability Guide for the latest firmware and software policies, hypervisor guidelines and supported upgrade paths. Interoperability Guide will be updated in next update cycle. Current Active versions Reference Additional VMware reference Customers running on vCenter 7.0 are advised to refer customer advisory HISTORY Version:1 (rev.1) - 12 July 2021 Initial release Third Party Security Patches: Third party security patches that are to be installed on systems running Hewlett Packard Enterprise (HPE) software products should be applied in accordance with the customer's patch management policy. Support: For issues about implementing the recommendations of this Security Bulletin, contact normal HPE Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hpe.com. Report: To report a potential security vulnerability for any HPE supported product: Web Form: https://www.hpe.com/info/report-security-vulnerability Email: security-alert@hpe.com Hewlett Packard Enterprise Product Security Response Policy: https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=a00100637en_us Subscribe: To initiate a subscription to receive future HPE Security Bulletin alerts via Email: http://www.hpe.com/support/Subscriber_Choice Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://www.hpe.com/support/Security_Bulletin_Archive