Arbitrary file upload in MachForm - CVE-2021-20103
Published: June 29, 2021
Vulnerability identifier: #VU54427
CSH Severity: Medium
CVSS v4: 7 [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]
CVE-ID: CVE-2021-20103
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
MachForm
How to mitigate CVE-2021-20103
Install updates from vendor's website.
MachForm - update to v16