{"cve":"CVE-2020-11709","nvd":{"published":"2020-04-12T14:15:10.750","modified":"2026-06-17T02:50:39.553","status":"Modified","description":"cpp-httplib through 0.5.8 does not filter \\r\\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-74"],"references":["https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495","https://github.com/yhirose/cpp-httplib/issues/425","https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495","https://github.com/yhirose/cpp-httplib/issues/425"],"products":["yhirose:cpp-httplib"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-11709","score":0.01684,"percentile":0.76993,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}