Vulnerability · Published Jan 13, 2022 · Assigned by zdi
CVE-2021-34996
High 8.8
In plain English
A high-severity security flaw in CommCell from Commvault. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 82.3% (higher than 99.7% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-749 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-1331/ x_refsource_MISC