{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-23167","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","state":"PUBLISHED","assignerShortName":"hackerone","dateReserved":"2025-01-12T01:00:00.648Z","datePublished":"2025-05-19T01:25:08.454Z","dateUpdated":"2025-05-27T18:31:36.494Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw in Node.js 20's HTTP parser allows improper termination of HTTP/1 headers using `\\r\\n\\rX` instead of the required `\\r\\n\\r\\n`.\nThis inconsistency enables request smuggling, allowing attackers to bypass proxy-based access controls and submit unauthorized requests.\n\nThe issue was resolved by upgrading `llhttp` to version 9, which enforces correct header termination.\n\nImpact:\n* This vulnerability affects only Node.js 20.x users prior to the `llhttp` v9 upgrade."}],"affected":[{"defaultStatus":"unaffected","vendor":"nodejs","product":"node","versions":[{"versionType":"semver","version":"4.0","status":"affected","lessThan":"4.*"},{"versionType":"semver","version":"5.0","status":"affected","lessThan":"5.*"},{"versionType":"semver","version":"6.0","status":"affected","lessThan":"6.*"},{"versionType":"semver","version":"7.0","status":"affected","lessThan":"7.*"},{"versionType":"semver","version":"8.0","status":"affected","lessThan":"8.*"},{"versionType":"semver","version":"9.0","status":"affected","lessThan":"9.*"},{"versionType":"semver","version":"10.0","status":"affected","lessThan":"10.*"},{"versionType":"semver","version":"11.0","status":"affected","lessThan":"11.*"},{"versionType":"semver","version":"12.0","status":"affected","lessThan":"12.*"},{"versionType":"semver","version":"13.0","status":"affected","lessThan":"13.*"},{"versionType":"semver","version":"14.0","status":"affected","lessThan":"14.*"},{"versionType":"semver","version":"15.0","status":"affected","lessThan":"15.*"},{"versionType":"semver","version":"16.0","status":"affected","lessThan":"16.*"},{"versionType":"semver","version":"17.0","status":"affected","lessThan":"17.*"},{"versionType":"semver","version":"18.0","status":"affected","lessThan":"18.*"},{"versionType":"semver","version":"19.0","status":"affected","lessThan":"19.*"},{"version":"20.0","status":"affected","lessThanOrEqual":"20.19.1","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/may-2025-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"providerMetadata":{"orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone","dateUpdated":"2025-05-27T18:31:36.494Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-444","lang":"en","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-19T15:09:55.841520Z","id":"CVE-2025-23167","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2025-05-19T15:13:21.685Z"}}]}}