FKIE_CVE-2024-39321
Vulnerability from fkie_nvd - Published: 2024-07-05 18:15 - Updated: 2026-06-17 07:41
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
{
"affected": [
{
"affectedData": [
{
"product": "traefik",
"vendor": "traefik",
"versions": [
{
"status": "affected",
"version": "\u003c 2.11.6"
},
{
"status": "affected",
"version": "\u003e= 3.0.0-beta3, \u003c 3.0.4"
},
{
"status": "affected",
"version": "\u003e= 3.1.0-rc1, \u003c 3.1.0-rc3"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C9D1F5C0-4B9B-4F4A-B8EC-CEE987D7CE06",
"versionEndExcluding": "2.11.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5FC9E015-376F-4323-8493-1067B1E506DC",
"versionEndExcluding": "3.0.4",
"versionStartIncluding": "3.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:traefik:traefik:3.1.0:-:*:*:*:*:*:*",
"matchCriteriaId": "26F0E6E9-13E6-4CEC-AC68-82DFF86AB3AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:traefik:traefik:3.1.0:rc1:*:*:*:*:*:*",
"matchCriteriaId": "807C986B-A9D5-4516-BE4C-37AF99257592",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:traefik:traefik:3.1.0:rc2:*:*:*:*:*:*",
"matchCriteriaId": "9CF1490E-811C-4531-A02A-1D189EDF0D5A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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": "2026-06-17T07:41:42.670",
"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"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-39321",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-05T20:07:02.660742Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-07-05T18:15:32.430",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v2.11.6"
},
{
"source": "security-advisories@github.com",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.0.4"
},
{
"source": "security-advisories@github.com",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3"
},
{
"source": "security-advisories@github.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v2.11.6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.0.4"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.1.0-rc3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-gxrv-wf35-62w9"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-639"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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