Low
vantage6 username timing attack
Type: advisorySources: OSV
The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC). It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks. Version 4.2.0 patches this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-21671
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 19:57 UTC · Revision 1
Source evidence
The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC). It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks. Version 4.2.0 patches this vulnerability.
osv:CVE-2024-21671
Complete source record
{
"id": "2a77c26866852e8a2a436bb34e36a62246eb0c8f374437ea17fcf9c2b5140aab",
"url": "https://osv.dev/vulnerability/CVE-2024-21671",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "vantage6 username timing attack",
"summary": "The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC). It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks. Version 4.2.0 patches this vulnerability.",
"evidence": "osv:CVE-2024-21671",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2024-21671",
"aliases": [
"CVE-2024-21671",
"GHSA-45gq-q4xh-cp53",
"PYSEC-2024-31",
"PYSEC-2026-2008"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/vantage6/vantage6",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "2067fc452977ce067838da6c5bd47733d8198aed"
},
{
"fixed": "389f416c445da4f2438c72f34c3b1084485c4e30"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:vantage6:vantage6:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.2.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "389f416c445da4f2438c72f34c3b1084485c4e30"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"version/4.2.0rc2",
"version/4.2.0rc1",
"version/4.1.3",
"version/4.1.2",
"version/4.1.2rc1",
"version/4.1.1",
"version/4.1.0",
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"version/3.10.4",
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"version/3.6.1",
"v3.6.1",
"version/3.6.1rc3",
"v3.6.1rc3",
"version/3.6.1rc2",
"v3.6.1rc2",
"version/3.6.1rc1",
"v3.6.1rc1",
"version/3.5.2",
"v3.5.2",
"version/3.5.1",
"v3.5.1",
"version/3.5.0",
"v3.5.0",
"version/3.5.0rc3",
"v3.5.0rc3",
"version/3.5.0rc2",
"v3.5.0rc2",
"version/3.4.3",
"v3.4.3",
"version/3.4.2",
"v3.4.2",
"version/3.4.2a0",
"v3.4.2a0",
"version/3.4.1a3",
"version/3.4.1",
"v3.4.1a3",
"v3.4.1",
"version/3.4.1a2",
"v3.4.1a2",
"version/3.4.1a1",
"v3.4.1a1",
"version/3.4.1a0",
"v3.4.1a0",
"version/3.4.0",
"v3.4.0",
"version/3.4.0a6",
"v3.4.0a6",
"version/3.4.0a5",
"version/3.4.0a4",
"v3.4.0a4",
"version/3.3.7",
"version/3.4.0a3",
"v3.4.0a3",
"version/3.4.0a2",
"v3.4.0a2",
"version/3.4.0a1",
"version/3.4.0a0",
"version/3.3.8a9",
"version/3.3.8a8",
"version/3.3.8a7",
"version/3.3.8a6",
"version/3.3.8a5",
"version/3.3.8a4",
"version/3.3.8a3",
"version/3.3.8a2",
"version/3.3.8a1",
"version/3.3.6",
"version/3.3.5",
"version/3.3.4",
"version/3.3.3",
"version/3.3.2",
"version/3.3.1",
"version/3.3.0rc4",
"version/3.3.0",
"version/3.3.0rc3",
"version/3.3.0rc2",
"version/3.3.0rc1",
"version/0.0.0b3"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-21671.json"
}
}
],
"modified": "2026-10-28T02:30:23.045126825Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21671.json",
"https://github.com/vantage6/vantage6/security/advisories/GHSA-45gq-q4xh-cp53",
"https://nvd.nist.gov/vuln/detail/CVE-2024-21671",
"https://github.com/vantage6/vantage6/commit/389f416c445da4f2438c72f34c3b1084485c4e30"
],
"provider_metadata": {
"cwe_ids": [
"CWE-208"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21671.json"
}
},
"related_cves": [
{
"value": "CVE-2024-21671",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489487,
"published_at": "2024-01-30T15:43:06.789+00:00"
}