How severe is CVE-2020-29561?

CVE-2020-29561 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-29561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29561?

CVE-2020-29561 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29561?

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

When was CVE-2020-29561 published?

CVE-2020-29561 was published on 2020-12-04 and last updated on 2026-06-17.

CVE-2020-29561

CVE-2020-29561 is a medium-severity vulnerability in Boom-core Risvc-boom with a CVSS 3.x base score of 5.5. 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-755.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Boom-core Risvc-boom
Published: 2020-12-04
Last modified: 2026-06-17

Description

An issue was discovered in SonicBOOM riscv-boom 3.0.0. For LR, it does not avoid acquiring a reservation in the case where a load translates successfully but still generates an exception.

Frequently asked questions

What is CVE-2020-29561?: An issue was discovered in SonicBOOM riscv-boom 3.0.0. For LR, it does not avoid acquiring a reservation in the case where a load translates successfully but still generates an exception.
How severe is CVE-2020-29561?: CVE-2020-29561 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-29561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29561?: CVE-2020-29561 affects Boom-core Risvc-boom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29561 published?: CVE-2020-29561 was published on 2020-12-04 and last updated on 2026-06-17.

References

https://github.com/riscv-boom/riscv-boom/issues/504#issuecomment-736196635

Affected products (1)

cpe:2.3:a:boom-core:risvc-boom:3.0.0:*:*:*:*:*:*:*

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