CVE-2021-34995

high · 8.8

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 DownloadCenterUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-13756.

8.8

CVSS

68.9%

EPSS (exploit prob.)

99th

EPSS percentile

2022-01-13

Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-434

Affected products

Vendor	Product	Affected versions
commvault	commcell	11.22.22

Check a specific version with /api/v1/cve/match.

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1330/
https://www.zerodayinitiative.com/advisories/ZDI-21-1330/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-34995