CVE-2021-3164
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to...
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to have file upload permission in order to upload and execute an arbitrary file via a POST request to resources.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to have file upload permission in order to upload and execute an arbitrary file via a POST request to resources.php.
- Record
CVE-2021-3164- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to have file upload permission in order to upload and execute an arbitrary file via a POST request to resources.php.
- Record
CVE-2021-3164- Updated
- 2026-11-02
EUVDEUVD-2021-26507 No score
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to have file upload permission in order to upload and execute an arbitrary file via a POST request to resources.php.
- Record
EUVD-2021-26507- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m3pw-v6h8-2463
8.8
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to...
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution. The user does not need to have file upload permission in order to upload and execute an arbitrary file via a POST request to resources.php.
- Record
GHSA-m3pw-v6h8-2463- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | rmccarth/cve-2021-3164 | 2021-01-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3164 is a high vulnerability (CVSS 8.8) in Churchdesk Churchrota, published January 21, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.15%, the 90th percentile. No source names a fixed version.