{"id":"CVE-2022-39228","aliases":["EUVD-2023-0260","GHSA-36gx-9q6h-g429","PYSEC-2023-313","PYSEC-2023-52"],"status":"published","title":"Observable Response Discrepancy in vantage6","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00596,"percentile":0.48944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-204"],"published":"2023-02-28T23:18:37Z","modified":"2026-11-11T02:31:01Z","fixes":[{"ecosystem":"PyPI","package":"vantage6","fixed_in":["3.8.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.0"}]}],"versions":["0.0.0","0.0.0b0","0.0.0b1","0.0.0b3","1.0.0","1.0.0a1","1.0.0a2","1.0.0b10","1.0.0b11","1.0.0b12","1.0.0b13","1.0.0b14","1.0.0b2","1.0.0b3","1.0.0b4","1.0.0b5","1.0.0b6","1.0.0b7","1.0.0b8","1.0.0b9","1.1.0","1.1.0rc1","1.1.0rc2","1.2.0","1.2.1","1.2.2","1.2.3","1.2.3.post2","2.0.0","2.0.0.post1","2.0.0a1","2.0.0a2","2.0.0a3","2.0.1rc1","2.0.1rc2","2.1.0","2.1.0rc1","2.1.1","2.2.0","2.2.0b1","2.2.0b2","2.2.0b3","2.2.0b4","2.2.1","2.2.10","2.2.11","2.2.12","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0rc1","2.3.0rc2","2.3.0rc3","2.3.0rc4","2.3.0rc5","2.3.1","2.3.2","2.3.2rc1","2.3.3","2.3.4","2.3.5","2.3.5b1","3.0.0","3.0.0b1","3.0.0b2","3.0.0b3","3.0.0b4","3.0.0b5","3.0.0b6","3.0.0b7","3.0.0b8","3.0.0rc1","3.0.1","3.0.2","3.0.3","3.0.4","3.1.0","3.1.0rc1","3.1.0rc5","3.1.0rc6","3.1.0rc7","3.1.0rc8","3.1.0rc9","3.1.1rc1","3.1.1rc2","3.2.0","3.2.0rc1","3.2.0rc2","3.2.0rc3","3.2.0rc4","3.2.0rc5","3.3.0","3.3.0a0","3.3.0rc1","3.3.0rc2","3.3.0rc3","3.3.0rc4","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7","3.3.7a2","3.3.7a3","3.3.8a1","3.3.8a2","3.3.8a4","3.3.8a5","3.3.8a6","3.3.8a7","3.3.8a8","3.4.0","3.4.0a1","3.4.0a2","3.4.0a3","3.4.0a6","3.4.1","3.4.1a0","3.4.1a1","3.4.1a2","3.4.1a3","3.4.2","3.4.2a0","3.4.3","3.5.0","3.5.0rc1","3.5.0rc2","3.5.0rc3","3.5.1","3.5.2","3.6.0","3.6.1","3.6.1rc1","3.6.1rc2","3.6.1rc3","3.7.0","3.7.0rc1","3.7.0rc2","3.7.1","3.7.2","3.7.3","3.8.0rc3"]},{"source":"osv","ecosystem":"PyPI","package":"vantage6","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"ab4381c35d24add06f75d5a8a284321f7a340bd2"}]},{"type":"ECOSYSTEM","events":[{"introduced":"3.3.3"},{"fixed":"3.8.0"}]}],"versions":["3.3.3","3.3.4","3.3.5","3.3.6","3.3.7","3.3.7a2","3.3.7a3","3.3.8a1","3.3.8a2","3.3.8a4","3.3.8a5","3.3.8a6","3.3.8a7","3.3.8a8","3.4.0","3.4.0a1","3.4.0a2","3.4.0a3","3.4.0a6","3.4.1","3.4.1a0","3.4.1a1","3.4.1a2","3.4.1a3","3.4.2","3.4.2a0","3.4.3","3.5.0","3.5.0rc1","3.5.0rc2","3.5.0rc3","3.5.1","3.5.2","3.6.0","3.6.1","3.6.1rc1","3.6.1rc2","3.6.1rc3","3.7.0","3.7.0rc1","3.7.0rc2","3.7.1","3.7.2","3.7.3","3.8.0rc3"]}],"products":[{"vendor":"vantage6","product":"vantage6"}],"references":[{"url":"https://github.com/vantage6/vantage6/security/advisories/GHSA-36gx-9q6h-g429","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/vantage6/vantage6/issues/59","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory","report","web","advisory"]},{"url":"https://github.com/vantage6/vantage6/pull/281","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web","advisory"]},{"url":"https://github.com/vantage6/vantage6/commit/ab4381c35d24add06f75d5a8a284321f7a340bd2","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39228","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2023-52.yaml","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2023-313.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-36gx-9q6h-g429"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39228.json","tags":["advisory"]},{"url":"https://github.com/vantage6/vantage6","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-39228","title":"Observable Response Discrepancy in vantage6","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.\n","status":"published","published":"2023-03-01T16:23:18.72Z","modified":"2025-03-07T21:24:48.813Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:34:39.233406Z"}],"euvd":[{"id":"EUVD-2023-0260","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.\n","status":"published","published":"2023-03-01T16:23:18Z","modified":"2025-03-07T21:24:48Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:10.22972Z"}],"ghsa":[{"id":"GHSA-36gx-9q6h-g429","title":"vantage6 vulnerable to Observable Response Discrepancy","description":"### Impact\nWe are incorporating the password policies listed in https://github.com/vantage6/vantage6/issues/59. One measure is that we don't let the user know in case of wrong username/password combination if the username actually exists, to prevent that bots can guess usernames. However, if a wrong password is entered a number of times, the user account is blocked temporarily. This way you could still find out which usernames exist.\n\n### Patches\nUpdate to 3.8.0+\n\n### Workarounds\nNo\n\n### References\nhttps://github.com/vantage6/vantage6/issues/59\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [vantage6@iknl.nl](mailto:vantage6@iknl.nl)","status":"published","published":"2023-02-28T23:18:37Z","modified":"2026-05-29T20:51:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T14:40:15.638885Z"}],"nvd":[{"id":"CVE-2022-39228","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.\n","status":"published","published":"2023-03-01T17:15:10.98Z","modified":"2026-06-17T04:57:57.403Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T14:07:36.601381Z"}],"osv":[{"id":"CVE-2022-39228","title":"Observable Response Discrepancy in vantage6","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.\n","status":"published","published":"2023-03-01T16:23:18.72Z","modified":"2026-11-11T10:30:44.273299634Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-11T02:50:43.46164Z"},{"id":"GHSA-36gx-9q6h-g429","title":"vantage6 vulnerable to Observable Response Discrepancy","description":"### Impact\nWe are incorporating the password policies listed in https://github.com/vantage6/vantage6/issues/59. One measure is that we don't let the user know in case of wrong username/password combination if the username actually exists, to prevent that bots can guess usernames. However, if a wrong password is entered a number of times, the user account is blocked temporarily. This way you could still find out which usernames exist.\n\n### Patches\nUpdate to 3.8.0+\n\n### Workarounds\nNo\n\n### References\nhttps://github.com/vantage6/vantage6/issues/59\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [vantage6@iknl.nl](mailto:vantage6@iknl.nl)","status":"published","published":"2023-02-28T23:18:37Z","modified":"2026-07-09T16:56:14.695577239Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T15:46:35.406455Z"},{"id":"PYSEC-2023-313","description":"Withdrawn as duplicate of PYSEC-2023-52\nvantage6 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.\n","status":"withdrawn","published":"2023-03-01T17:15:10.98Z","modified":"2026-07-09T16:45:10.230380936Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:53.837392Z"},{"id":"PYSEC-2023-52","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.","status":"published","published":"2023-03-01T17:15:00Z","modified":"2026-07-09T16:56:14.695577239Z","updated_at":"2026-11-02T15:52:53.837392Z"}]}}