VMware Carbon Black App Control Remote Code Execution Vulnerability (CVE-2023-20858) Notification

VMware Carbon Black App Control Remote Code Execution Vulnerability (CVE-2023-20858) Notification

fevereiro 27, 2023 | NSFOCUS


Recently, NSFOCUS CERT found that VMware has officially fixed an App Control injection vulnerability (CVE-2023-20858). Due to flaws in product verification of user-input content, attackers with App Control management console permissions can access the underlying server operating system by entering specially crafted data, and ultimately achieve arbitrary code execution on the target system. The CVSS score is 9.1. Affected users are requested to take protective measures as soon as possible.


Scope of Impact

Affected version

  • 8.9.0 <= VMware Carbon Black App Control < 8.9.4
  • 8.8.0 <= VMware Carbon Black App Control < 8.8.6
  • 8.7.0 <= VMware Carbon Black App Control < 8.7.8

Unaffected version

  • VMware Carbon Black App Control >= 8.9.4
  • VMware Carbon Black App Control >= 8.8.6
  • VMware Carbon Black App Control >= 8.7.8


At present, the official has released upgrade patches for the vulnerability. Affected users are advised to download as soon as possible. The patches and documentations for the corresponding product versions are as follows:

Product versionDocument download link
App Control 8.9.xhttps://docs.vmware.com/en/VMware-Carbon-Black-App-Control/services/cb-ac-announcements/GUID-7464A525-BCF4-4329-9228-B040C9C16D22.html
App Control 8.8.xhttps://docs.vmware.com/en/VMware-Carbon-Black-App-Control/services/cb-ac-announcements/GUID-35DA49E4-41F3-485B-88E5-AE69B354F2FB.html
App Control 8.7.xhttps://docs.vmware.com/en/VMware-Carbon-Black-App-Control/services/cb-ac-announcements/GUID-35DA49E4-41F3-485B-88E5-AE69B354F2FB.html


This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.


NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).

A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.