CVE-2021-3164 json
ChurchRota 2.6.4 is vulnerable to authenticated remote code execution.
published 2021-01-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26507
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
4.15% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/rmccarth/cve-2021-3164 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/rmccarth/cve-2021-3164
exploit, third-party-advisory
-
github.com
/Little-Ben/ChurchRota
third-party-advisory
Sources
- CVE List CVE-2021-3164
- NVD CVE-2021-3164
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.