How severe is CVE-2021-46359?

CVE-2021-46359 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-2021-46359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46359?

CVE-2021-46359 affects Fisco-bcos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46359?

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.

When was CVE-2021-46359 published?

CVE-2021-46359 was published on 2022-02-07 and last updated on 2026-06-17.

CVE-2021-46359

CVE-2021-46359 is a high-severity vulnerability in Fisco-bcos 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fisco-bcos
Published: 2022-02-07
Last modified: 2026-06-17

Description

FISCO-BCOS release-3.0.0-rc2 contains a denial of service vulnerability. Some transactions may not be committed successfully, and malicious users may use this to achieve double-spending attacks.

Frequently asked questions

What is CVE-2021-46359?: FISCO-BCOS release-3.0.0-rc2 contains a denial of service vulnerability. Some transactions may not be committed successfully, and malicious users may use this to achieve double-spending attacks.
How severe is CVE-2021-46359?: CVE-2021-46359 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-2021-46359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46359?: CVE-2021-46359 affects Fisco-bcos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46359?: 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.
When was CVE-2021-46359 published?: CVE-2021-46359 was published on 2022-02-07 and last updated on 2026-06-17.

References

https://github.com/FISCO-BCOS/FISCO-BCOS/issues/2124

Affected products (1)

cpe:2.3:a:fisco-bcos:fisco-bcos:3.0.0:rc2:*:*:*:*:*:*

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