Resource exhaustion in Snowplow Stream Collector

CVE-2024-56528

This vulnerability affects Snowplow Collector 3.x before 3.3.0 (unless it’s set up behind a reverse proxy that establishes payload limits). It involves sending very large payloads to the Collector and can render it unresponsive to the rest of the requests. As a result, data would not enter the pipeline and would be potentially lost.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-56528?
CVE-2024-56528 is a high-severity vulnerability in Snowplow Stream Collector, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-04-03.
How severe is CVE-2024-56528?
High severity. CVSS v3 base score is 7.5 out of 10.