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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 23.26% Top 5%
Third-Party Advisory zerodayinitiative.com
Affected: Commvault CommCell
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-1331/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-34996?
CVE-2021-34996 has been scored as a high severity vulnerability.
How to fix CVE-2021-34996?
To fix CVE-2021-34996, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34996 being actively exploited in the wild?
It is possible that CVE-2021-34996 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34996?
CVE-2021-34996 affects Commvault CommCell.
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