#VU58341 Arbitrary file upload in CommCell - CVE-2021-34997
Published: November 24, 2021
Vulnerability identifier: #VU58341
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-34997
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
CommCell
CommCell
Software vendor:
Commvault
Commvault
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the AppStudioUploadHandler class. A remote authenticated attacker can upload a malicious file and execute it on the server.
Remediation
Install updates from vendor's website.