CVE-2025-43863

vantage6 lacks brute-force protection on change password functionality

Published Jun 12, 2025 CVSS 4.0 · 1.7 Low EPSS < 1% KEV · Not listed
Description
vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality: they can call that route infinitely which will return the message that password is wrong until it is correct. This vulnerability is fixed in 4.11.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18202 vantage6 lacks brute-force protection on change password functionality
Github GHSA Github GHSA GHSA-j6g5-p62x-58hw vantage6 lacks brute-force protection on change password functionality
History
Type Values Removed Values Added
CPEs cpe:2.3:a:vantage6:vantage6:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00054}

epss

{'score': 0.00059}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality: they can call that route infinitely which will return the message that password is wrong until it is correct. This vulnerability is fixed in 4.11.
Title vantage6 lacks brute-force protection on change password functionality
Weaknesses CWE-307
References
Metrics cvssV4_0

{'score': 1.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 12, 2025, 5:54 PM
Reserved
Apr 17, 2025, 8:07 PM
Status
Analyzed
Published
Jun 12, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:24 AM