CVE-2021-34994

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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. Was ZDI-CAN-13755.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20CWE-94

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-34994: High severity, CVSS 8.8 | Vulnix