This vulnerability allows remote attackers to execute arbitrary code on affected…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34996
- 2026-10-03 Alias added: GHSA-f572-r3rr-hjcx
References
More Commvault Commcell vulnerabilities
- TI-2021-13982 Unrestricted file upload in Commvault CommCell CVSS 3.1HIGH 8.8
- TI-2021-13980 Improper authentication in Commvault CommCell CVSS 3.1CRITICAL 9.8
- TI-2021-13981 Improper input validation in Commvault CommCell CVSS 3.1HIGH 8.8
- TI-2021-13984 Unrestricted file upload in Commvault CommCell CVSS 3.1HIGH 8.8
- TI-2020-15787 In CommCell in Commvault before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-34996 · CVE Program
- CVE-2021-34996 · NVD
- FIRST EPSS
- GHSA-f572-r3rr-hjcx · GitHub Advisory Database · CC BY 4.0
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