{"id":"CVE-2025-11374","state":"PUBLISHED","title":"Consul's KV endpoint is vulnerable to denial of service","description":"Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, 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.","publishedAt":"2025-10-28T20:19:05.292Z","updatedAt":"2026-04-17T18:34:14.829Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Consul","HashiCorp Consul Enterprise"],"affected":[{"vendor":"HashiCorp","product":"Consul","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.22.0","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul"},{"vendor":"HashiCorp","product":"Consul Enterprise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.22.0","changes":[{"at":"1.21.6","status":"unaffected"},{"at":"1.20.8","status":"unaffected"},{"at":"1.18.12","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul"}],"references":["https://discuss.hashicorp.com/t/hcsec-2025-29-consuls-kv-endpoint-is-vulnerable-to-denial-of-service/76724"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11374.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11374","state":"PUBLISHED","datePublished":"2025-10-28T20:19:05.292Z","dateUpdated":"2026-04-17T18:34:14.829Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2025-10-06T15:34:09.965Z"},"containers":{"cna":{"title":"Consul's KV endpoint is vulnerable to denial of service","descriptions":[{"lang":"en","value":"Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, 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."}],"affected":[{"vendor":"HashiCorp","product":"Consul","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.22.0","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul"},{"vendor":"HashiCorp","product":"Consul Enterprise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.22.0","changes":[{"at":"1.21.6","status":"unaffected"},{"at":"1.20.8","status":"unaffected"},{"at":"1.18.12","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/consul"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2025-29-consuls-kv-endpoint-is-vulnerable-to-denial-of-service/76724"}],"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":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-04-17T18:34:14.829Z"},"credits":[{"lang":"en","value":"This issue was identified by Julien Ahrens from RCE Security ([https://www.rcesecurity.com/|https://www.rcesecurity.com/|smart-link] )."}],"impacts":[{"capecId":"CAPEC-469","descriptions":[{"lang":"en","value":"CAPEC-469: HTTP DoS"}]}],"source":{"advisory":"HCSEC-2025-29","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-28T20:35:54.518844Z","id":"CVE-2025-11374","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-28T20:36:06.085Z"}}]}}}