What is CVE-2021-20104?

CVE-2021-20104 is a high-severity vulnerability in Machform, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2021-06-29.

How severe is CVE-2021-20104?

High severity. CVSS v3 base score is 8.1 out of 10.

Arbitrary file upload in Machform

CVE-2021-20104

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.022 (80.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Machform
N/a Appnitro Machform — versions All versions prior to version 16

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

vulnreport@tenable.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20104?: CVE-2021-20104 is a high-severity vulnerability in Machform, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2021-06-29.
How severe is CVE-2021-20104?: High severity. CVSS v3 base score is 8.1 out of 10.