{"id":"CVE-2024-46957","aliases":["EUVD-2024-2757","GHSA-98hf-m87w-cq6h","GO-2024-3157"],"status":"published","title":"Mellium allows Authentication Bypass by Spoofing","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is not checked. This is fixed in 0.22.0.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00612,"percentile":0.49827,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-290"],"published":"2024-09-24T00:00:00Z","modified":"2026-06-17T07:56:15Z","fixes":[{"ecosystem":"Go","package":"mellium.im/xmpp","fixed_in":["0.22.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"mellium.im/xmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.22.0"}]}]},{"source":"osv","ecosystem":"Go","package":"mellium.im/xmpp","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.22.0"}]}]},{"source":"osv","ecosystem":"Go","package":"mellium.im/xmpp","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.22.0"}]}]}],"products":[{"vendor":"mellium","product":"xmpp"}],"references":[{"url":"https://codeberg.org/mellium/xmpp/releases","tags":["web"]},{"url":"https://mellium.im/cve/cve-2024-46957/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-46957","tags":["advisory"]},{"url":"https://mellium.im/cve/cve-2024-46957","tags":["web"]},{"url":"https://codeberg.org/mellium/xmpp/releases/tag/v0.22.0","tags":["web"]},{"url":"https://github.com/advisories/GHSA-98hf-m87w-cq6h","tags":["advisory"]},{"url":"https://codeberg.org/mellium/xmpp","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-46957","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is not checked. This is fixed in 0.22.0.","status":"published","published":"2024-09-24T00:00:00Z","modified":"2024-09-26T15:57:09.747Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:34:08.500935Z"}],"euvd":[{"id":"EUVD-2024-2757","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is not checked. This is fixed in 0.22.0.","status":"published","published":"2024-09-24T00:00:00Z","modified":"2024-09-26T15:57:09Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:28:08.503734Z"}],"ghsa":[{"id":"GHSA-98hf-m87w-cq6h","title":"Mellium allows Authentication Bypass by Spoofing","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing because the stanza type is not checked. This is fixed in 0.22.0.","status":"published","published":"2024-09-25T03:30:36Z","modified":"2024-09-25T18:27:10Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:38:06.29677Z"}],"nvd":[{"id":"CVE-2024-46957","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is not checked. This is fixed in 0.22.0.","status":"published","published":"2024-09-25T01:15:44.75Z","modified":"2026-06-17T07:56:15.743Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:10:27.456509Z"}],"osv":[{"id":"GHSA-98hf-m87w-cq6h","title":"Mellium allows Authentication Bypass by Spoofing","description":"Mellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing because the stanza type is not checked. This is fixed in 0.22.0.","status":"published","published":"2024-09-25T03:30:36Z","modified":"2024-09-26T18:57:34.088004Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T15:46:43.524801Z"},{"id":"GO-2024-3157","title":"Mellium allows Authentication Bypass by Spoofing in mellium.im/xmpp","description":"Mellium allows Authentication Bypass by Spoofing in mellium.im/xmpp","status":"published","published":"2024-09-26T18:24:03Z","modified":"2026-03-03T04:55:49.268517Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}