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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-11375",
"assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"state": "PUBLISHED",
"assignerShortName": "HashiCorp",
"dateReserved": "2025-10-06T15:34:11.889Z",
"datePublished": "2025-10-28T20:12:14.325Z",
"dateUpdated": "2025-12-09T01:37:57.188Z"
},
"containers": {
"cna": {
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{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Consul",
"repo": "https://github.com/hashicorp/consul",
"vendor": "HashiCorp",
"versions": [
{
"lessThan": "1.22.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
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],
"product": "Consul Enterprise",
"repo": "https://github.com/hashicorp/consul",
"vendor": "HashiCorp",
"versions": [
{
"changes": [
{
"at": "1.21.6",
"status": "unaffected"
},
{
"at": "1.20.8",
"status": "unaffected"
},
{
"at": "1.18.12",
"status": "unaffected"
}
],
"lessThan": "1.22.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.</p><br/>"
}
],
"value": "Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12."
}
],
"impacts": [
{
"capecId": "CAPEC-469",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-469: HTTP DoS"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"shortName": "HashiCorp",
"dateUpdated": "2025-12-09T01:37:57.188Z"
},
"references": [
{
"url": "https://discuss.hashicorp.com/t/hcsec-2025-28-consuls-event-endpoint-is-vulnerable-to-denial-of-service/76723"
}
],
"source": {
"advisory": "HCSEC-2025-28",
"discovery": "EXTERNAL"
},
"title": "Consul's event endpoint is vulnerable to denial of service"
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-10-29T17:34:13.959341Z",
"id": "CVE-2025-11375",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
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"dateUpdated": "2025-10-29T17:34:25.690Z"
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}