{"action":"Upgrade engine.io to 3.6.0 or later.","affected":[{"fixed":"3.6.0","introduced":"0"}],"component":"engine.io","cve_ids":["CVE-2020-36048"],"ecosystem":"npm","epss":0.03276,"exploited":false,"fixed_versions":["3.6.0"],"ghsa_id":"GHSA-j4f2-536g-r55m","id":"tcs_01M5KFWX0JZGQBMFHYDFTN1ZRB","modified_at":"2025-05-29T23:06:32Z","published_at":"2022-02-09T22:29:04Z","references":["https://osv.dev/vulnerability/GHSA-j4f2-536g-r55m","https://nvd.nist.gov/vuln/detail/CVE-2020-36048","https://github.com/socketio/engine.io/commit/58e274c437e9cbcf69fd913c813aad8fbd253703","https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b","https://blog.caller.xyz/socketio-engineio-dos","https://github.com/bcaller/kill-engine-io","https://github.com/socketio/engine.io"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-j4f2-536g-r55m","url":"https://osv.dev/vulnerability/GHSA-j4f2-536g-r55m"}],"summary":"Resource exhaustion in engine.io"}