ZDI-21-1332: Commvault CommCell AppStudioUploadHandler Arbitrary File Upload Remote Code Execution Vulnerability
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 AppStudioUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-1332?
The severity of ZDI-21-1332 is critical due to the potential for remote code execution.
How do I fix ZDI-21-1332?
To fix ZDI-21-1332, ensure that you apply the latest security patch provided by Commvault for the CommCell product.
Who is affected by ZDI-21-1332?
ZDI-21-1332 affects installations of Commvault CommCell that utilize the vulnerable AppStudio component.
What type of attack does ZDI-21-1332 enable?
ZDI-21-1332 allows remote attackers to execute arbitrary code on the affected system.
Is authentication required to exploit ZDI-21-1332?
Yes, authentication is required; however, the vulnerability allows for the bypassing of the authentication mechanism.