Vulnerability 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 DataProvider class. The issue results from the lack of proper validation of a user-supplied string before executing it as JavaScript code. An attacker can leverage this vulnerability to escape the JavaScript sandbox and execute Java code in the context of NETWORK SERVICE. Was ZDI-CAN-13755.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Commvault | Commcell | 11.22.22 |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-1329/Third Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1329/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-34994?
CVE-2021-34994 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ex...
How severe is CVE-2021-34994?
CVE-2021-34994 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34994?
Check the references section above for vendor advisories and patch information. Affected products include: Commvault Commcell.