cve-2025-32431
Vulnerability from cvelistv5
Published
2025-04-21 15:34
Modified
2025-04-21 15:55
Summary
Traefik has a possible vulnerability with the path matchers
Impacted products
traefiktraefik
Show details on NVD website


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                "id": "CVE-2025-32431",
                "options": [
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                    "Automatable": "yes"
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                "role": "CISA Coordinator",
                "timestamp": "2025-04-21T15:55:08.342564Z",
                "version": "2.0.3"
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          "value": "Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. In versions prior to 2.11.24, 3.3.6, and 3.4.0-rc2. There is a potential vulnerability in Traefik managing the requests using a PathPrefix, Path or PathRegex matcher. When Traefik is configured to route the requests to a backend using a matcher based on the path, if the URL contains a /../ in its path, it\u2019s possible to target a backend, exposed using another router, by-passing the middlewares chain. This issue has been patched in versions 2.11.24, 3.3.6, and 3.4.0-rc2. A workaround involves adding a `PathRegexp` rule to the matcher to prevent matching a route with a `/../` in the path."
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              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
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        "discovery": "UNKNOWN"
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      "title": "Traefik has a possible vulnerability with the path matchers"
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    "dateReserved": "2025-04-08T10:54:58.368Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-32431\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2025-04-21T16:15:54.610\",\"lastModified\":\"2025-04-23T14:08:13.383\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. In versions prior to 2.11.24, 3.3.6, and 3.4.0-rc2. There is a potential vulnerability in Traefik managing the requests using a PathPrefix, Path or PathRegex matcher. When Traefik is configured to route the requests to a backend using a matcher based on the path, if the URL contains a /../ in its path, it\u2019s possible to target a backend, exposed using another router, by-passing the middlewares chain. This issue has been patched in versions 2.11.24, 3.3.6, and 3.4.0-rc2. A workaround involves adding a `PathRegexp` rule to the matcher to prevent matching a route with a `/../` in the path.\"},{\"lang\":\"es\",\"value\":\"Traefik (pronunciado \\\"traffic\\\") es un proxy inverso HTTP y balanceador de carga. En versiones anteriores a 2.11.24, 3.3.6 y 3.4.0-rc2, existe una vulnerabilidad potencial en Traefik al gestionar las solicitudes mediante un comparador PathPrefix, Path o PathRegex. Cuando Traefik se configura para enrutar las solicitudes a un backend mediante un comparador basado en la ruta, si la URL contiene un /../ en su ruta, es posible dirigirse a un backend expuesto mediante otro enrutador, omitiendo la cadena de middleware. Este problema se ha corregido en las versiones 2.11.24, 3.3.6 y 3.4.0-rc2. Un workaround consiste en a\u00f1adir una regla `PathRegexp` al comparador para evitar que coincida con una ruta que contenga un `/../` en la ruta.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"references\":[{\"url\":\"https://github.com/traefik/traefik/pull/11684\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/traefik/traefik/releases/tag/v2.11.24\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/traefik/traefik/releases/tag/v3.3.6\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/traefik/traefik/releases/tag/v3.4.0-rc2\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/traefik/traefik/security/advisories/GHSA-6p68-w45g-48j7\",\"source\":\"security-advisories@github.com\"}]}}"
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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