CVE-2021-41643: Remote Code Execution (RCE) vulnerability exists in Sourcecodester Church Management System 1.0 via the image

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-41643 is a critical-severity flaw (CVSS 9.8) affecting church management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Weakness	CWE-434
Published	2021-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: church management system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-10-29 17:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

church management system project church management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy church-management-system || rpm -q church-management-system || church-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison church-management-system sudo apt install church-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold church-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list church-management-system sudo dnf downgrade church-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add church-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-41643?

church management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-41643 being exploited?

CVE-2021-41643 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-41643 affect?

CVE-2021-41643 affects church management system. Severity is critical (CVSS 9.8). Remote Code Execution (RCE) vulnerability exists in Sourcecodester Church Management System 1.0 via the image upload field.

How urgent is CVE-2021-41643?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-3542 LOW 3.5 DOWNGRADE A vulnerability classified as problematic was found in Campcodes Church Management System 1.0
CVE-2024-3541 LOW 3.5 DOWNGRADE A vulnerability classified as problematic has been found in Campcodes Church Management System 1.0
CVE-2024-3540 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Campcodes Church Management System 1.0
CVE-2024-3539 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Campcodes Church Management System 1.0
CVE-2024-3538 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Campcodes Church Management System 1.0

References

← Back to latest CVEs