VULNERABILITY INTELLIGENCE
CVE-2021-20104
CVSS score8.1 HIGH
EPSS probability2.17%
CISA KEVNot currently listed
Published2021-06-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php.
Weakness classification
- nvd@nist.gov: CWE-434