How severe is CVE-2021-41661?

CVE-2021-41661 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41661?

CVE-2021-41661 affects Church Management System Project Church Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41661?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-41661 published?

CVE-2021-41661 was published on 2022-06-13 and last updated on 2026-06-17.

CVE-2021-41661

CVE-2021-41661 is a critical-severity vulnerability in Church Management System Project Church Management System with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Church Management System Project Church Management System
Published: 2022-06-13
Last modified: 2026-06-17

Description

Church Management System version 1.0 is affected by a SQL anjection vulnerability through creating a user with a PHP file as an avatar image, which is accessible through the /uploads directory. This can lead to RCE on the web server by uploading a PHP webshell.

Frequently asked questions

What is CVE-2021-41661?: Church Management System version 1.0 is affected by a SQL anjection vulnerability through creating a user with a PHP file as an avatar image, which is accessible through the /uploads directory. This can lead to RCE on the web server by uploading a PHP webshell.
How severe is CVE-2021-41661?: CVE-2021-41661 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41661?: CVE-2021-41661 affects Church Management System Project Church Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-41661 published?: CVE-2021-41661 was published on 2022-06-13 and last updated on 2026-06-17.

References

https://github.com/janikwehrli1/0dayHunt/blob/main/Church_Managementv1.0_RCE.py

Affected products (1)

cpe:2.3:a:church_management_system_project:church_management_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Church Management System Project Church Management System

CVE-2021-41643 — Critical (CVSS 9.8): Remote Code Execution (RCE) vulnerability exists in Sourcecodester Church Management System 1.0 via the image upload…
CVE-2022-45328 — High (CVSS 7.2): Church Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at…
CVE-2022-41406 — High (CVSS 7.2): An arbitrary file upload vulnerability in the /admin/admin_pic.php component of Church Management System v1.0 allows…
CVE-2022-38595 — High (CVSS 7.2): Church Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at…
CVE-2022-38594 — High (CVSS 7.2): Church Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at…
CVE-2022-38605 — High (CVSS 7.2): Church Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at…

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