fkie_cve-2024-39321
Vulnerability from fkie_nvd
Published
2024-07-05 18:15
Modified
2025-11-25 14:08
Severity ?
Summary
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.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C9D1F5C0-4B9B-4F4A-B8EC-CEE987D7CE06",
"versionEndExcluding": "2.11.6",
"vulnerable": true
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"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5FC9E015-376F-4323-8493-1067B1E506DC",
"versionEndExcluding": "3.0.4",
"versionStartIncluding": "3.0.0",
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"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Traefik es un proxy inverso HTTP y un equilibrador de carga. Las versiones anteriores a 2.11.6, 3.0.4 y 3.1.0-rc3 tienen una vulnerabilidad que permite eludir las listas de direcciones IP permitidas a trav\u00e9s de solicitudes de datos tempranas HTTP/3 en protocolos de enlace QUIC 0-RTT enviados con direcciones IP falsificadas. Las versiones 2.11.6, 3.0.4 y 3.1.0-rc3 contienen un parche para este problema. No hay soluciones conocidas disponibles."
}
],
"id": "CVE-2024-39321",
"lastModified": "2025-11-25T14:08:47.903",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "security-advisories@github.com",
"type": "Secondary"
}
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},
"published": "2024-07-05T18:15:32.430",
"references": [
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"tags": [
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"url": "https://github.com/traefik/traefik/releases/tag/v2.11.6"
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"tags": [
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"url": "https://github.com/traefik/traefik/releases/tag/v3.0.4"
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"url": "https://github.com/traefik/traefik/releases/tag/v2.11.6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://github.com/traefik/traefik/releases/tag/v3.0.4"
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"lang": "en",
"value": "CWE-639"
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],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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