CVE-2021-3164

CVE-2021-3164 is a high-severity vulnerability in Churchdesk Churchrota with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-3164?
CVE-2021-3164 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-3164 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3164?
CVE-2021-3164 affects Churchdesk Churchrota. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3164?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-3164 published?
CVE-2021-3164 was published on 2021-01-26 and last updated on 2026-06-17.

References

Affected products (1)

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