{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2023-23936","sourceIdentifier":"security-advisories@github.com","published":"2023-02-16T18:15:10.877","lastModified":"2026-06-17T05:38:19.600","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect `host` HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the `headers.host` string before passing to undici."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"nodejs","product":"undici","versions":[{"version":"\u003e=2.0.0, \u003c 5.19.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-03-10T21:01:48.996014Z","id":"CVE-2023-23936","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-93"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-74"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.19.1","matchCriteriaId":"6E9FAEC6-2D3A-4CBE-859F-11BCECC4F724"},{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*","versionStartIncluding":"18.0.0","versionEndExcluding":"18.14.1","matchCriteriaId":"80500AD0-17C2-4698-AE03-1C6782FD38B0"},{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*","versionStartIncluding":"19.0.0","versionEndExcluding":"19.6.1","matchCriteriaId":"8F4FCD16-4B9F-44B9-80DD-D024759CAB10"},{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"5.19.1","matchCriteriaId":"0B81E26E-5BF8-495E-9544-E9688B6AE5BA"}]}]}],"references":[{"url":"https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/nodejs/undici/releases/tag/v5.19.1","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://hackerone.com/reports/1820955","source":"security-advisories@github.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://github.com/nodejs/undici/releases/tag/v5.19.1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]},{"url":"https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://hackerone.com/reports/1820955","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}