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High severity8.8NVD Advisory· Published Jan 13, 2022· Updated Jun 17, 2026

CVE-2021-34996

CVE-2021-34996

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 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. Was ZDI-CAN-13889.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Commvault/CommCellllm-fuzzy3 versions
    11.22.22+ 2 more
    • (no CPE)range: 11.22.22
    • (no CPE)range: 11.22.22
    • cpe:2.3:a:commvault:commcell:11.22.22:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

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