How severe is CVE-2022-29566?

CVE-2022-29566 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-29566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29566?

CVE-2022-29566 affects Bulletproofs Project Bulletproofs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29566?

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-2022-29566 published?

CVE-2022-29566 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2022-29566

CVE-2022-29566 is a high-severity vulnerability in Bulletproofs Project Bulletproofs with a CVSS 3.x base score of 8.1. 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-326.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Bulletproofs Project Bulletproofs
Published: 2022-04-21
Last modified: 2026-06-17

Description

The Bulletproofs 2017/1066 paper mishandles Fiat-Shamir generation because the hash computation fails to include all of the public values from the Zero Knowledge proof statement as well as all of the public values computed in the proof, aka the Frozen Heart issue.

Frequently asked questions

What is CVE-2022-29566?: The Bulletproofs 2017/1066 paper mishandles Fiat-Shamir generation because the hash computation fails to include all of the public values from the Zero Knowledge proof statement as well as all of the public values computed in the proof, aka the Frozen Heart issue.
How severe is CVE-2022-29566?: CVE-2022-29566 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-29566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29566?: CVE-2022-29566 affects Bulletproofs Project Bulletproofs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29566?: 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-2022-29566 published?: CVE-2022-29566 was published on 2022-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bulletproofs_project:bulletproofs:-:*:*:*:*:*:*:*

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