{"cve":"CVE-2020-1695","nvd":{"published":"2020-05-19T15:15:11.797","modified":"2026-06-17T03:02:13.710","status":"Modified","description":"A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to 4.6.0.Final, where an improper input validation results in returning an illegal header that integrates into the server's response. This flaw may result in an injection, which leads to unexpected behavior when the HTTP response is constructed.","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-20"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1695","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJDMT443YZWCBS5NS76XZ7TL3GK7BXHL/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RX22C6I56BJUER76IIPYHGZIWBQIU3CQ/","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1695","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJDMT443YZWCBS5NS76XZ7TL3GK7BXHL/"],"products":["fedoraproject:fedora","redhat:resteasy"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-1695","score":0.02017,"percentile":0.80922,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-63cq-ppq8-cw6g","url":"https://osv.dev/vulnerability/GHSA-63cq-ppq8-cw6g","summary":"Improper Input Validation in RESTEasy","modified":"2024-02-21T05:33:30.243930Z","packages":[{"ecosystem":"Maven","name":"org.jboss.resteasy:resteasy-client","purl":"pkg:maven/org.jboss.resteasy/resteasy-client","ranges":[">=4.0.0 <4.6.0"],"fixed":["4.6.0"]},{"ecosystem":"Maven","name":"org.jboss.resteasy:resteasy-client","purl":"pkg:maven/org.jboss.resteasy/resteasy-client","ranges":[">=3.0.0 <3.12.0"],"fixed":["3.12.0"]}]}],"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."]}