==================================================================== CERT-Renater Note d'Information No. 2021/VULN095 _____________________________________________________________________ DATE : 11/02/2021 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running VMware vSphere Replication versions prior to 8.3.1.2, 8.2.1.1, 8.1.2.3, 6.5.1.5. ===================================================================== https://www.vmware.com/security/advisories/VMSA-2021-0001.html _____________________________________________________________________ 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 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 On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation vSphere Replication 8.3.x Any CVE-2021-21976 7.2 important 8.3.1.2 None None vSphere Replication 8.2.x Any CVE-2021-21976 7.2 important 8.2.1.1 None None vSphere Replication 8.1.x Any CVE-2021-21976 7.2 important 8.1.2.3 None None vSphere Replication 6.5.x Any CVE-2021-21976 7.2 important 6.5.1.5 None None 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. ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================