Arbitrary file upload in MachForm - CVE-2021-20103

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Main Vulnerability Database Vulnerabilities #VU54427

Arbitrary file upload in MachForm - CVE-2021-20103

Published: June 29, 2021


Vulnerability identifier: #VU54427
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-20103
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MachForm
Software vendor:
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, steal other user cookies and force users to make actions without their knowledge.


Remediation

Install updates from vendor's website.

External links