CVSS: 8.8EPSS: 3%CPEs: 1EXPL: 0CVE-2021-34995 – Commvault CommCell DownloadCenterUploadHandler Arbitrary File Upload Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-34995
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 DownloadCenterUploadHandler 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. • https://www.zerodayinitiative.com/advisories/ZDI-21-1330 • CWE-434: Unrestricted Upload of File with Dangerous Type •
CVSS: 9.0EPSS: 88%CPEs: 1EXPL: 0CVE-2021-34996 – Commvault CommCell Demo_ExecuteProcessOnGroup Exposed Dangerous Function Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-34996
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 Demo_ExecuteProcessOnGroup 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. • https://www.zerodayinitiative.com/advisories/ZDI-21-1331 • CWE-749: Exposed Dangerous Method or Function •
CVSS: 8.8EPSS: 1%CPEs: 1EXPL: 0CVE-2021-34994 – Commvault CommCell DataProvider JavaScript Sandbox Escape Vulnerability
https://notcve.org/view.php?id=CVE-2021-34994
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 DataProvider class. The issue results from the lack of proper validation of a user-supplied string before executing it as JavaScript code. An attacker can leverage this vulnerability to escape the JavaScript sandbox and execute Java code in the context of NETWORK SERVICE. • https://www.zerodayinitiative.com/advisories/ZDI-21-1329 • CWE-20: Improper Input Validation CWE-94: Improper Control of Generation of Code ('Code Injection') •
CVSS: 8.8EPSS: 3%CPEs: 1EXPL: 0CVE-2021-34997 – Commvault CommCell AppStudioUploadHandler Arbitrary File Upload Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2021-34997
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 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. • https://www.zerodayinitiative.com/advisories/ZDI-21-1332 • CWE-434: Unrestricted Upload of File with Dangerous Type •
CVSS: 9.8EPSS: 8%CPEs: 1EXPL: 0CVE-2021-34993 – Commvault CommCell CVSearchService Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2021-34993
This vulnerability allows remote attackers to bypass authentication on affected installations of Commvault CommCell 11.22.22. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CVSearchService service. The issue results from the lack of proper validation prior to authentication. An attacker can leverage this vulnerability to bypass authentication on the system. • https://www.zerodayinitiative.com/advisories/ZDI-21-1328 • CWE-287: Improper Authentication •