CVE-2022-29566

Name: CVE-2022-29566
Creator: NVD / NIST
Published: 2022-04-21T19:15:09.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2022-29566 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.70%

48.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Bulletproofs Project	Bulletproofs	All versions

References

https://blog.trailofbits.com/2022/04/13/part-1-coordinated-disclosure-of-vulnerabilities-affecting-girault-bulletproofs-and-plonk/Exploit, Third Party Advisory
https://eprint.iacr.org/2017/1066Product, Technical Description, Third Party Advisory
https://blog.trailofbits.com/2022/04/13/part-1-coordinated-disclosure-of-vulnerabilities-affecting-girault-bulletproofs-and-plonk/Exploit, Third Party Advisory
https://eprint.iacr.org/2017/1066Product, Technical Description, Third Party Advisory

Timeline

Published: Apr 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29566?

How severe is CVE-2022-29566?

CVE-2022-29566 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29566?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29566?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST