CVE-2021-34994

HIGH

Commvault CommCell - Authenticated Remote Code Execution via DataProvider Class JavaScript Injection

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-1329/

Scores

CVSS v3 8.8
EPSS 0.0579
EPSS Percentile 92.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20 CWE-94
Status published
Products (1)
commvault/commcell 11.22.22
Published Jan 13, 2022
Tracked Since Feb 18, 2026