{"schemaVersion":3,"id":"CVE-2024-39321","aliases":["GHSA-gxrv-wf35-62w9","GO-2024-2973","openSUSE-SU-2024:14181-1","openSUSE-SU-2024:14182-1"],"status":"published","duplicateOf":null,"title":null,"description":"Traefik is an HTTP reverse proxy and load balancer. Versions prior to 2.11.6, 3.0.4, and 3.1.0-rc3 have a vulnerability that allows bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes sent with spoofed IP addresses. Versions 2.11.6, 3.0.4, and 3.1.0-rc3 contain a patch for this issue. No known workarounds are available.","dates":{"published":"2024-07-05T17:32:06.688Z","modified":"2024-08-02T04:19:20.719Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Go","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00594,"percentile":0.47349,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00594},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00594,"percentile":0.47349}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00594,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00594,"percentile":0.47349}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key","description":"The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/639.html"}],"affected":[{"vendor":"github.com/traefik","product":"traefik","name":"github.com/traefik/traefik","label":"traefik","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/traefik/traefik","purlType":"golang","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"github.com/traefik/traefik","product":"v2","name":"github.com/traefik/traefik/v2","label":"v2","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/traefik/traefik/v2","purlType":"golang","versions":[{"text":"< 2.11.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.11.6","eol":null,"hubHref":null},{"vendor":"github.com/traefik/traefik","product":"v3","name":"github.com/traefik/traefik/v3","label":"v3","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/traefik/traefik/v3","purlType":"golang","versions":[{"text":"≥ 3.0.0-beta3, < 3.0.4","noFixRecorded":false,"fixedIn":null},{"text":"≥ 3.1.0-rc1, < 3.1.0-rc3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.0.0-beta3, < 3.0.4 | ≥ 3.1.0-rc1, < 3.1.0-rc3","eol":null,"hubHref":null},{"vendor":"opensuse","product":"traefik2&distro=openSUSE Tumbleweed","name":"traefik2","label":"traefik2&distro=openSUSE Tumbleweed","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/traefik2&distro=openSUSE Tumbleweed","purlType":"rpm","versions":[{"text":"< 2.11.6-2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.11.6-2.1","eol":null,"hubHref":null},{"vendor":"opensuse","product":"traefik&distro=openSUSE Tumbleweed","name":"traefik","label":"traefik&distro=openSUSE Tumbleweed","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/traefik&distro=openSUSE Tumbleweed","purlType":"rpm","versions":[{"text":"< 3.0.4-2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.0.4-2.1","eol":null,"hubHref":null},{"vendor":"traefik","product":"traefik","name":"traefik","label":"traefik","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.0.0-beta3, < 3.0.4","noFixRecorded":false,"fixedIn":null},{"text":"≥ 3.1.0-rc1, < 3.1.0-rc3","noFixRecorded":false,"fixedIn":null},{"text":"< 2.11.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 3.0.0, < 3.0.4","noFixRecorded":false,"fixedIn":null},{"text":"3.1.0","noFixRecorded":false,"fixedIn":null},{"text":"3.1.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"3.1.0:rc2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.0.0-beta3, < 3.0.4 | ≥ 3.1.0-rc1, < 3.1.0-rc3 | < 2.11.6 | ≥ 3.0.0, < 3.0.4 | 3.1.0 | 3.1.0:rc1 | 3.1.0:rc2","eol":{"isEol":true,"eolDate":"2024-10-28T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"3.1","label":"3.1","eolFrom":"2024-10-28T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"3.1.7"},"product":{"name":"traefik","label":"Traefik","category":"server-app"}},"hubHref":"/vendor/traefik/traefik"}],"affectedCount":6,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9","label":"github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9","hostname":"github.com","tags":["X Refsource CONFIRM","WEB","Advisory","Patch","Vendor Advisory"]},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.6","label":"github.com/traefik/traefik/releases/tag/v2.11.6","hostname":"github.com","tags":["X Refsource MISC","WEB","Release Notes"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.0.4","label":"github.com/traefik/traefik/releases/tag/v3.0.4","hostname":"github.com","tags":["X Refsource MISC","WEB","Release Notes"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3","label":"github.com/traefik/traefik/releases/tag/v3.1.0-rc3","hostname":"github.com","tags":["X Refsource MISC","WEB","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39321","label":"nvd.nist.gov/vuln/detail/CVE-2024-39321","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/traefik/traefik","label":"github.com/traefik/traefik","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://www.suse.com/security/cve/CVE-2024-39321","label":"www.suse.com/security/cve/CVE-2024-39321","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2024-07-05T17:32:06.688Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T04:19:20.719Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T12:15:26.240Z","stale":false,"partial":false}}