How severe is CVE-2025-0509?

CVE-2025-0509 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-0509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0509?

CVE-2025-0509 primarily affects Sparkle-project Sparkle. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-0509?

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-2025-0509 have an EU (EUVD) identifier?

Yes. CVE-2025-0509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0232.

When was CVE-2025-0509 published?

CVE-2025-0509 was published on 2025-02-04 and last updated on 2026-06-17.

CVE-2025-0509

CVE-2025-0509 is a high-severity vulnerability in Sparkle-project Sparkle with a CVSS 3.x base score of 7.3. 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-552.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-0232
Weakness: CWE-552
Affected product: Sparkle-project Sparkle
Published: 2025-02-04
Last modified: 2026-06-17

Description

A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.

Frequently asked questions

What is CVE-2025-0509?: A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.
How severe is CVE-2025-0509?: CVE-2025-0509 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-0509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0509?: CVE-2025-0509 primarily affects Sparkle-project Sparkle. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-0509?: 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-2025-0509 have an EU (EUVD) identifier?: Yes. CVE-2025-0509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0232.
When was CVE-2025-0509 published?: CVE-2025-0509 was published on 2025-02-04 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:sparkle-project:sparkle:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:hci_compute_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*

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