CVE-2021-34996: Commvault CommCell Demo_ExecuteProcessOnGroup Exposed Dangerous Function Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DemoExecuteProcessOnGroup workflow. By creating a workflow, an attacker can specify an arbitrary command to be executed. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-13889.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DemoExecuteProcessOnGroup workflow. By creating a workflow, an attacker can specify an arbitrary command to be executed. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34996?
CVE-2021-34996 has a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2021-34996?
To fix CVE-2021-34996, users should update Commvault CommCell to version 11.22.23 or later.
Who is affected by CVE-2021-34996?
CVE-2021-34996 affects installations of Commvault CommCell version 11.22.22.
What type of vulnerability is CVE-2021-34996?
CVE-2021-34996 is a remote code execution vulnerability.
Can CVE-2021-34996 be exploited without authentication?
No, CVE-2021-34996 requires authentication, but the authentication mechanism can be bypassed.