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Document Subtype: Security Bulletin Document ID: hpesbux04335en_us Last Updated: 2022-07-06 Release Date: 2022-07-06 Document Version: 1 Potential Security Impact: Local: Authentication Bypass, Denial of Service (DoS), Unauthorized Access, Unauthorized Access to Data, Unauthorized Privileged Access, Unauthorized Write Access to the File System, Null pointer dereference, Stack Overflow; Remote: Authentication Bypass, Denial of Service (DoS), Unauthorized Access, Unauthorized Access to Data, Unauthorized Write Access to the File System, Null pointer dereference Source: Hewlett Packard Enterprise, HPE Product Security Response Team VULNERABILITY SUMMARY Several potential security vulnerabilities have been identified in Apache Web Server version-2.4.43.01 running on HP-UX. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS), Server Side Request Forgery, Unauthorized Access or HTTP Request Smuggling. References: CVE-2021-44224 CVE-2021-44790 CVE-2019-17567 CVE-2020-13938 CVE-2020-13950 CVE-2020-35452 CVE-2021-26690 CVE-2021-26691 CVE-2021-30641 CVE-2021-33193 CVE-2021-34798 CVE-2021-36160 CVE-2021-39275 CVE-2021-40438 CVE-2022-23943 CVE-2022-22721 CVE-2022-22720 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX Apache-based Web Server - Prior to 2.4.53.00 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-2019-17567 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) 5.3 (AV:N/AC:L/Au:N/C:N/I:P/A:N) 5 CVE-2020-13938 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) 5.5 (AV:L/AC:L/Au:N/C:N/I:N/A:P) 2.1 CVE-2020-13950 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) 7.5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) 5 CVE-2020-35452 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) 7.3 (AV:N/AC:M/Au:N/C:P/I:P/A:P) 6.8 CVE-2021-26690 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) 7.5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) 5 CVE-2021-26691 (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:P/I:P/A:P) 7.5 CVE-2021-30641 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) 5.3 (AV:N/AC:L/Au:N/C:N/I:P/A:N) 5 CVE-2021-33193 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) 7.5 (AV:N/AC:L/Au:N/C:N/I:P/A:N) 5 CVE-2021-34798 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) 7.5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) 5 CVE-2021-36160 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) 7.5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) 5 CVE-2021-39275 (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:P/I:P/A:P) 7.5 CVE-2021-40438 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H) 9 (AV:N/AC:M/Au:N/C:P/I:P/A:P) 6.8 CVE-2021-44224 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H) 8.2 (AV:N/AC:L/Au:N/C:N/I:P/A:P) 6.4 CVE-2021-44790 (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:P/I:P/A:P) 7.5 CVE-2022-22720 (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:P/I:P/A:P) 7.5 CVE-2022-22721 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) 9.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P) 6.8 CVE-2022-23943 (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:P/I:P/A:P) 7.5 Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002 RESOLUTION HPE has provided the following software updates to resolve the vulnerabilities with HP-UX Web Server Suite running Apache. Apache 2.4.53.00 for HP-UX Release B.11.31 (IA Only): 32 bit Depot: HP-UX 11.31(HPUXWS24ATW-B511-11-31-32.depot) 64 bit Depot: HP-UX 11.31(HPUXWS24ATW-B511-11-31-64.depot) The depot files can be downloaded from: https://myenterpriselicense.hpe.com/cwp-ui/product-details/HPUXWSATW511/5.11/sw_free HISTORY Version:1 (rev.1) - 6 July 2022 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 has provided the following software updates to resolve the vulnerabilities with HP-UX Web Server Suite running Apache. Apache 2.4.53.00 for HP-UX Release B.11.31 (IA Only): 32 bit Depot: HP-UX 11.31(HPUXWS24ATW-B511-11-31-32.depot) 64 bit Depot: HP-UX 11.31(HPUXWS24ATW-B511-11-31-64.depot) The depot files can be downloaded from: https://myenterpriselicense.hpe.com/cwp-ui/product-details/HPUXWSATW511/5.11/sw_free HISTORY Version:1 (rev.1) - 6 July 2022 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