What’s Vulnerable › Vulnerabilities

CVE-2022-39228: Observable Response Discrepancy in vantage6

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-01 · updated 2026-06-17
• Weakness: CWE-203

Description

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. vantage6 does not inform the user of wrong username/password combination if the username actually exists. This is an attempt to prevent bots from obtaining usernames. However, if a wrong password is entered a number of times, the user account is blocked temporarily. This issue has been fixed in version 3.8.0.

Affected products

• vantage6: from 3.3.3 before 3.8.0 — fixed in 3.8.0

How to fix

Upgrade to a fixed version: vantage6 3.8.0. Check the vendor advisory for mitigations.

References

• https://github.com/vantage6/vantage6/commit/ab4381c35d24add06f75d5a8a284321f7a340bd2
• https://github.com/vantage6/vantage6/issues/59
• https://github.com/vantage6/vantage6/pull/281
• https://github.com/vantage6/vantage6/security/advisories/GHSA-36gx-9q6h-g429
• https://github.com/vantage6/vantage6/commit/ab4381c35d24add06f75d5a8a284321f7a340bd2
• https://github.com/vantage6/vantage6/issues/59
• https://github.com/vantage6/vantage6/pull/281
• https://github.com/vantage6/vantage6/security/advisories/GHSA-36gx-9q6h-g429

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