What is CVE-2021-41643?

CVE-2021-41643 is a critical-severity vulnerability in Church Management System Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-10-29.

How severe is CVE-2021-41643?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-41643 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Church Management System Project

CVE-2021-41643

Remote Code Execution (RCE) vulnerability exists in Sourcecodester Church Management System 1.0 via the image upload field.

Vulnerability class: Unrestricted File Upload

Published 2021-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.046 (91.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Church Management System Project — versions 1.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

www.exploit-db.com/exploits/50306 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-41643?: CVE-2021-41643 is a critical-severity vulnerability in Church Management System Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-10-29.
How severe is CVE-2021-41643?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-41643 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.