How severe is CVE-2025-8774?

CVE-2025-8774 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-8774 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8774?

CVE-2025-8774 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8774?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8774 have an EU (EUVD) identifier?

Yes. CVE-2025-8774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24063.

When was CVE-2025-8774 published?

CVE-2025-8774 was published on 2025-08-09 and last updated on 2026-06-17.

CVE-2025-8774

CVE-2025-8774 is a low-severity vulnerability in Boom-core Risvc-boom with a CVSS 3.x base score of 2.5. 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-203.

Key facts

Severity: Low (CVSS 3.x base score 2.5)
CVSS v2: 1.0
CVSS v4: 1.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24063
Weakness: CWE-203
Affected product: Boom-core Risvc-boom
Published: 2025-08-09
Last modified: 2026-06-17

Description

A vulnerability has been found in riscv-boom SonicBOOM up to 2.2.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component L1 Data Cache Handler. The manipulation leads to observable timing discrepancy. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation appears to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-8774?: A vulnerability has been found in riscv-boom SonicBOOM up to 2.2.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component L1 Data Cache Handler. The manipulation leads to observable timing discrepancy. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation appears to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-8774?: CVE-2025-8774 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-8774 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8774?: CVE-2025-8774 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8774?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8774 have an EU (EUVD) identifier?: Yes. CVE-2025-8774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24063.
When was CVE-2025-8774 published?: CVE-2025-8774 was published on 2025-08-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:boom-core:risvc-boom:*:*:*:*:*:*:*:*

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