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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2025-6011",
"assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"state": "PUBLISHED",
"assignerShortName": "HashiCorp",
"dateReserved": "2025-06-11T18:57:02.577Z",
"datePublished": "2025-08-01T18:00:24.528Z",
"dateUpdated": "2025-08-01T19:06:58.251Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Vault",
"repo": "https://github.com/hashicorp/vault",
"vendor": "HashiCorp",
"versions": [
{
"lessThan": "1.20.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Vault Enterprise",
"repo": "https://github.com/hashicorp/vault",
"vendor": "HashiCorp",
"versions": [
{
"changes": [
{
"at": "1.19.7",
"status": "unaffected"
},
{
"at": "1.18.12",
"status": "unaffected"
},
{
"at": "1.16.23",
"status": "unaffected"
}
],
"lessThan": "1.20.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.</p><br/>"
}
],
"value": "A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23."
}
],
"impacts": [
{
"capecId": "CAPEC-118",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-118: Collect and Analyze Information"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 3.7,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-203",
"description": "CWE-203: Observable Discrepancy",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"shortName": "HashiCorp",
"dateUpdated": "2025-08-01T18:00:24.528Z"
},
"references": [
{
"url": "https://discuss.hashicorp.com/t/hcsec-2025-15-timing-side-channel-in-vault-s-userpass-auth-method/76034"
}
],
"source": {
"advisory": "HCSEC-2025-15",
"discovery": "EXTERNAL"
},
"title": "Timing Side-Channel in Vault’s Userpass Auth Method"
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-08-01T19:06:39.856193Z",
"id": "CVE-2025-6011",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-08-01T19:06:58.251Z"
}
}
]
}
}