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CVE Vulnerability Details :
CVE-2025-66016
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-25 Nov, 2025 | 19:48
Updated At-25 Nov, 2025 | 20:57
Rejected At-
▼CVE Numbering Authority (CNA)
CGGMP24 is missing a check in the ZK proof used in CGGMP21

CGGMP24 is a state-of-art ECDSA TSS protocol that supports 1-round signing (requires 3 preprocessing rounds), identifiable abort, and a key refresh protocol. Prior to version 0.6.3, there is a missing check in the ZK proof that enables an attack in which single malicious signer can reconstruct full private key. This issue has been patched in version 0.6.3, for full mitigation it is recommended to upgrade to cggmp24 version 0.7.0-alpha.2 as it contains more security checks.

Affected Products
Vendor
LFDT-Lockness
Product
cggmp21
Versions
Affected
  • < 0.6.3
Problem Types
TypeCWE IDDescription
CWECWE-345CWE-345: Insufficient Verification of Data Authenticity
Type: CWE
CWE ID: CWE-345
Description: CWE-345: Insufficient Verification of Data Authenticity
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
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Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889
x_refsource_CONFIRM
https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained
x_refsource_MISC
Hyperlink: https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
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CAPEC IDDescription
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Credits

Timeline
EventDate
Replaced By

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References
HyperlinkResource
Details not found