{"cve":"CVE-2024-21536","nvd":{"published":"2024-10-19T05:15:13.097","modified":"2026-08-01T16:16:29.963","status":"Modified","description":"Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","score":7.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://gist.github.com/mhassan1/28be67266d82a53708ed59ce5dc3c94a","https://github.com/chimurai/http-proxy-middleware/commit/0b4274e8cc9e9a2c5a06f35fbf456ccfcebc55a5","https://github.com/chimurai/http-proxy-middleware/commit/788b21e4aff38332d6319557d4a5b1b13b1f9a22","https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-8309098","https://security.snyk.io/vuln/SNYK-JS-HTTPPROXYMIDDLEWARE-8229906"],"products":["chimurai:http-proxy-middleware"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2024-21536","score":0.01034,"percentile":0.63872,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c7qv-q95q-8v27","url":"https://osv.dev/vulnerability/GHSA-c7qv-q95q-8v27","summary":"Denial of service in http-proxy-middleware","modified":"2026-09-10T03:50:19.674750568Z","packages":[{"ecosystem":"npm","name":"http-proxy-middleware","purl":"pkg:npm/http-proxy-middleware","ranges":["<2.0.7"],"fixed":["2.0.7"]},{"ecosystem":"npm","name":"http-proxy-middleware","purl":"pkg:npm/http-proxy-middleware","ranges":[">=3.0.0 <3.0.3"],"fixed":["3.0.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}