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CVE-2021-34996

Published: Jan 13, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-749
8.8HIGH
NVD MITRE
EPSS Score
82.3%
Top 0.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-749NVD-CWE-Other

Affected Products

Commvault
commercial
CommCellOn-prem
Enterprise Software / itsm-monitoring
Commvault Systems Inc.
commercialaka commvault edge, commcell
CommCellOn-prem
Enterprise Software / itsm-monitoring
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-34996?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1331/
zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-21-1331
zerodayinitiative.com
https://www.cybersecurity-help.cz/vdb/SB2021112404
cybersecurity-help.cz

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