How severe is CVE-2024-56528?

CVE-2024-56528 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-56528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56528?

CVE-2024-56528 affects Snowplow Stream Collector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-56528?

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.

Does CVE-2024-56528 have an EU (EUVD) identifier?

Yes. CVE-2024-56528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54484.

When was CVE-2024-56528 published?

CVE-2024-56528 was published on 2025-04-03 and last updated on 2026-06-17.

CVE-2024-56528

CVE-2024-56528 is a high-severity vulnerability in Snowplow Stream Collector with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54484
Weakness: CWE-400
Affected product: Snowplow Stream Collector
Published: 2025-04-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-56528?: CVE-2024-56528 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-56528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56528?: CVE-2024-56528 affects Snowplow Stream Collector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-56528?: 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.
Does CVE-2024-56528 have an EU (EUVD) identifier?: Yes. CVE-2024-56528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54484.
When was CVE-2024-56528 published?: CVE-2024-56528 was published on 2025-04-03 and last updated on 2026-06-17.

References

https://support.snowplow.io/hc/en-us/articles/26318139354909-Update-Critical-Snowplow-Security-Updates-Impact-on-Open-Source-Software-Users

Affected products (1)

cpe:2.3:a:snowplow:stream_collector:*:*:*:*:*:*:*:*

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