SB2021112404 - Multiple vulnerabilities in Commvault CommCell
Published: November 24, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Improper Authentication (CVE-ID: CVE-2021-34993)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests within the CVSearchService service. A remote attacker can bypass authentication process and gain unauthorized access to the application.
2) Arbitrary file upload (CVE-ID: CVE-2021-34997)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the AppStudioUploadHandler class. A remote authenticated attacker can upload a malicious file and execute it on the server.
3) Code Injection (CVE-ID: CVE-2021-34996)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within the Demo_ExecuteProcessOnGroup workflow. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Code Injection (CVE-ID: CVE-2021-34994)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation of a user-supplied string before executing it as JavaScript code within the DataProvider class. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Arbitrary file upload (CVE-ID: CVE-2021-34995)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the DownloadCenterUploadHandler class. A remote authenticated attacker can upload a malicious file and execute it on the server.
Remediation
Install update from vendor's website.