Arbitrary file upload in MachForm - CVE-2021-20104
Published: June 29, 2021
Vulnerability identifier: #VU54428
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2021-20104
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
MachForm
MachForm
Software vendor:
APPNITRO SOFTWARE
APPNITRO SOFTWARE
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.
Remediation
Install updates from vendor's website.