{"id":"CVE-2020-24393","aliases":["GHSA-6hrm-jqp3-64cv"],"url":"https://o3.security/vulnerability/CVE-2020-24393","summary":"Improper Certificate Validation in TweetStream","details":"TweetStream 2.6.1 uses the library eventmachine in an insecure way that does not have TLS hostname validation. This allows an attacker to perform a man-in-the-middle attack.","published":"2021-02-19T23:15:12.483Z","modified":"2026-07-09T00:37:07.814092Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"RubyGems","name":"tweetstream","fixedVersion":null}],"fix":null,"references":[{"type":"PACKAGE","url":"https://github.com/tweetstream/tweetstream"},{"type":"EVIDENCE","url":"https://securitylab.github.com/advisories/GHSL-2020-096-tweetstream-tweetstream"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:37:07.814092Z"}}