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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0541 vSphere Replication updates address a command injection 12 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: vSphere Replication Publisher: VMware Operating System: Virtualisation VMware ESX Server Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-21976 Original Bulletin: https://www.vmware.com/security/advisories/VMSA-2021-0001.html - --------------------------BEGIN INCLUDED TEXT-------------------- Advisory ID: VMSA-2021-0001 CVSSv3 Range: 7.2 Issue Date: 2021-02-11 Updated On: 2021-02-11 (Initial Advisory) CVE(s): CVE-2021-21976 Synopsis: vSphere Replication updates address a command injection vulnerability (CVE-2021-21976) 1. Impacted Products o vSphere Replication 2. Introduction A command injection vulnerability in vSphere Replication was privately reported to VMware . Updates are available to address this vulnerability in the affected product. 3. Authenticated Command Injection Vulnerability in vSphere Replication (CVE-2021-21976) Description vSphere Replication contains a post-authentication command injection vulnerability in "Startup Configuration" page. VMware has evaluated this issue to be 'Important' severity with a maximum CVSSv3 base score of 7.2. Known Attack Vectors A malicious actor with administrative access in vSphere Replication can execute shell commands on the underlying system. Successful exploitation of this issue may allow authenticated admin user to perform a remote code execution. Resolution To remediate CVE-2021-21976, apply the patches listed in the 'Fixed Version' column of the 'Resolution Matrix' found below. Workarounds None. Additional Documentation None. Notes None. Acknowledgements VMware would like to thank Egor Dimitrenko from Positive Technologies for reporting this issue to us. Response Matrix Product Version Running CVE Identifier CVSSv3 Severity Fixed Workarounds Additional On Version Documentation vSphere 8.3.x Any CVE-2021-21976 7.2 important 8.3.1.2 None None Replication vSphere 8.2.x Any CVE-2021-21976 7.2 important 8.2.1.1 None None Replication vSphere 8.1.x Any CVE-2021-21976 7.2 important 8.1.2.3 None None Replication vSphere 6.5.x Any CVE-2021-21976 7.2 important 6.5.1.5 None None Replication 4. References vSphere Replication 8.3.1.2 Downloads and Documentation: https://my.vmware.com/web/vmware/downloads/details?downloadGroup=VR8312& productId=742 https://docs.vmware.com/en/vSphere-Replication/8.3/rn/ vsphere-replication-8312-release-notes.html vSphere Replication 8.2.1.1 Downloads and Documentation: https://my.vmware.com/web/vmware/downloads/details?downloadGroup=VR8211& productId=742 https://docs.vmware.com/en/vSphere-Replication/8.2/rn/ vsphere-replication-821-release-notes.html vSphere Replication 8.1.2.3 Downloads and Documentation: https://my.vmware.com/web/vmware/downloads/details?downloadGroup=VR8123& productId=742 https://docs.vmware.com/en/vSphere-Replication/8.1/rn/ vsphere-replication-812-release-notes.html vSphere Replication 6.5.1.5 Downloads and Documentation: https://my.vmware.com/web/vmware/downloads/details?productId=614&downloadGroup= VR6515 https://docs.vmware.com/en/vSphere-Replication/6.5/rn/ vsphere-replication-651-release-notes.html Mitre CVE Dictionary Links: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21976 FIRST CVSSv3 Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/ I:H/A:H 5. Change Log 2021-02-11 VMSA-2021-0001 Initial security advisory. 6. Contact E-mail list for product security notifications and announcements: https://lists.vmware.com/mailman/listinfo/security-announce This Security Advisory is posted to the following lists: security-announce@lists.vmware.com bugtraq@securityfocus.com fulldisclosure@seclists.org E-mail: security@vmware.com PGP key at: https://kb.vmware.com/kb/1055 VMware Security Advisories https://www.vmware.com/security/advisories VMware Security Response Policy https://www.vmware.com/support/policies/security_response.html VMware Lifecycle Support Phases https://www.vmware.com/support/policies/lifecycle.html VMware Security & Compliance Blog https://blogs.vmware.com/security Twitter https://twitter.com/VMwareSRC Copyright 2020 VMware Inc. All rights reserved. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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