CVE-2021-34997CWE-434

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22

High · published January 13, 2022

CVSS v3.0
8.8
EPSS
4%
Percentile
91.0
In the wild
Unconfirmed
What it is

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 AppStudioUploadHandler 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-13894.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04248 · 91.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2022-01-13T21:44Z
EPSS history
Timeline
  • 13 JAN 21:44Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22
    cvelistv5