Arbitrary file upload in Churchdesk Churchrota
CVE-2021-3164
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
- Churchdesk Churchrota — versions 2.6.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Little-Ben/ChurchRota (Third Party Advisory)
- github.com/rmccarth/cve-2021-3164 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3164?
- CVE-2021-3164 is a high-severity vulnerability in Churchdesk Churchrota, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-01-26.
- How severe is CVE-2021-3164?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-3164 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.