{"id":"CVE-2020-7693","aliases":["GHSA-c9g6-9335-x697"],"url":"https://o3.security/vulnerability/CVE-2020-7693","summary":"Improper Input Validation in SocksJS-Node","details":"Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.","published":"2020-07-09T14:15:11.197Z","modified":"2026-07-08T05:57:00.045252654Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"sockjs","fixedVersion":"0.3.20"}],"fix":{"url":"https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16","label":"sockjs/sockjs-node@dd7e642"},"references":[{"type":"FIX","url":"https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16"},{"type":"FIX","url":"https://github.com/sockjs/sockjs-node/issues/252"},{"type":"FIX","url":"https://github.com/sockjs/sockjs-node/pull/265"},{"type":"EVIDENCE","url":"https://github.com/andsnw/sockjs-dos-py"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-575448"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-SOCKJS-575261"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7693"},{"type":"WEB","url":"https://www.npmjs.com/package/sockjs"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:57:00.045252654Z"}}