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Document Subtype: Security Bulletin Document ID: hpesbhf04147en_us Last Updated: 2021-05-19 Release Date: 2021-05-18 Document Version: 1 Potential Security Impact: Local: Execution of Arbitrary Code Source: Hewlett Packard Enterprise, HPE Product Security Response Team VULNERABILITY SUMMARY On March 2 2021, multiple security vulnerabilities in the GRUB2 boot loader were disclosed. Exploiting these vulnerabilities may allow an attacker to bypass Secure Boot on systems where it is enabled. HPE has released updates to several of its boot environments that address these security vulnerabilities in the GRUB2 boot loader. Secure Boot ensures that a system's entire chain of executable code, from the system Unified Extensible Firmware Interface (UEFI) to the operating system, is known and trusted. Each component in the chain of executable code verifies and validates the integrity of the next component. Secure Boot uses digital signatures to ensure that only known and trusted code is executed by the system firmware before the operating system is booted. Secure boot relies on two separate databases: Allowed Signature Database (db) - contains a list of allowed digital signatures (typically X.509 certificates of signing authorities) Forbidden Signature Database (dbx) - contains a list of prohibited digital signatures (typically SHA-256 Authenticode hashes of specific executable images). Note: Digitally-signed code must be listed in the Allowed Signature Database (db) and must not be explicitly prohibited by the Forbidden Signature Database (dbx). The Impacted Product Information section below lists vulnerable versions of HPE Synergy products. The Resolution section below describes how to obtain updated firmware for HPE Synergy products in the Synergy Service Pack (SSP), and provides links to detailed instructions on how to apply the fixes. References: CVE-2021-20233 CVE-2020-25632 CVE-2020-27779 CVE-2021-20225 CVE-2020-27749 CVE-2020-25647 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. Intelligent Provisioning - Prior to IP 3.62 for Gen10/Gen10 Plus, prior to IP 2.84 for Gen9 Scripting Toolkit for Linux - Prior to Scripting Toolkit for Linux 11.51(21 Apr 2021) HPE Synergy 480 Gen10 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 480 Gen10 Plus Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 660 Gen10 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 480 Gen9 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 620 Gen9 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 620 Gen9 Special Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 660 Gen9 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 HPE Synergy 680 Gen9 Compute Module - Prior to HPE Synergy Service Pack 2021.05.01 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-2020-25632 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) 8.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) 7.2 CVE-2020-25647 (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) 7.6 (AV:L/AC:L/Au:N/C:C/I:C/A:C) 7.2 CVE-2020-27749 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) 6.7 (AV:L/AC:L/Au:N/C:C/I:C/A:C) 7.2 CVE-2020-27779 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H) 7.5 (AV:L/AC:M/Au:N/C:C/I:C/A:C) 6.9 CVE-2021-20225 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) 6.7 (AV:L/AC:L/Au:N/C:C/I:C/A:C) 7.2 CVE-2021-20233 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) 8.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) 7.2 Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002 RESOLUTION HPE is providing updates to its Synergy line of server products to address these recent Secure Boot security vulnerabilities in the GRUB2 boot loader. Customers can obtain the updated Synergy firmware as part of the HPE Synergy Service Pack (SSP) 2021.05.01 on My HPE Software Center Customers can obtain the updated versions of the Intelligent Provisioning (IP 3.62 and 2.84) and Scripting Toolkit (STK 11.51) on HPE Support Center For more detailed information on how to apply these updates to your Synergy system, please see the following Customer Bulletin: HPE Synergy GRUB2 Customer Bulletin HISTORY Version:1 (rev.1) - 18 May 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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HPE is providing updates to its Synergy line of server products to address these recent Secure Boot security vulnerabilities in the GRUB2 boot loader. Customers can obtain the updated Synergy firmware as part of the HPE Synergy Service Pack (SSP) 2021.05.01 on My HPE Software Center Customers can obtain the updated versions of the Intelligent Provisioning (IP 3.62 and 2.84) and Scripting Toolkit (STK 11.51) on HPE Support Center For more detailed information on how to apply these updates to your Synergy system, please see the following Customer Bulletin: HPE Synergy GRUB2 Customer Bulletin HISTORY Version:1 (rev.1) - 18 May 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