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              "content": {
                "id": "CVE-2025-46821",
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                    "Exploitation": "none"
                  },
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                    "Automatable": "yes"
                  },
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                    "Technical Impact": "partial"
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                "timestamp": "2025-05-08T13:43:52.581427Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "vendor": "envoyproxy",
          "versions": [
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              "version": "\u003c 1.31.8"
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            },
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          "value": "Envoy is a cloud-native edge/middle/service proxy. Prior to versions 1.34.1, 1.33.3, 1.32.6, and 1.31.8, Envoy\u0027s URI template matcher incorrectly excludes the `*` character from a set of valid characters in the URI path. As a result URI path containing the `*` character will not match a URI template expressions. This can result in bypass of RBAC rules when configured using the `uri_template` permissions. This vulnerability is fixed in Envoy versions v1.34.1, v1.33.3, v1.32.6, v1.31.8. As a workaround, configure additional RBAC permissions using `url_path` with `safe_regex` expression."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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          "descriptions": [
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              "cweId": "CWE-186",
              "description": "CWE-186: Overly Restrictive Regular Expression",
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              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-07T21:24:07.891Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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        }
      ],
      "source": {
        "advisory": "GHSA-c7cm-838g-6g67",
        "discovery": "UNKNOWN"
      },
      "title": "Envoy vulnerable to bypass of RBAC uri_template permission"
    }
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-46821",
    "datePublished": "2025-05-07T21:24:07.891Z",
    "dateReserved": "2025-04-30T19:41:58.134Z",
    "dateUpdated": "2025-05-08T14:11:13.676Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-46821\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2025-05-07T22:15:21.170\",\"lastModified\":\"2025-05-08T14:39:09.683\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Envoy is a cloud-native edge/middle/service proxy. Prior to versions 1.34.1, 1.33.3, 1.32.6, and 1.31.8, Envoy\u0027s URI template matcher incorrectly excludes the `*` character from a set of valid characters in the URI path. As a result URI path containing the `*` character will not match a URI template expressions. This can result in bypass of RBAC rules when configured using the `uri_template` permissions. This vulnerability is fixed in Envoy versions v1.34.1, v1.33.3, v1.32.6, v1.31.8. As a workaround, configure additional RBAC permissions using `url_path` with `safe_regex` expression.\"},{\"lang\":\"es\",\"value\":\"Envoy es un proxy de borde, intermedio y de servicio nativo de la nube. En versiones anteriores a las 1.34.1, 1.33.3, 1.32.6 y 1.31.8, el comparador de plantillas de URI de Envoy exclu\u00eda incorrectamente el car\u00e1cter `*` de un conjunto de caracteres v\u00e1lidos en la ruta de URI. Como resultado, una ruta de URI que contenga el car\u00e1cter `*` no coincidir\u00e1 con las expresiones de plantilla de URI. Esto puede provocar la omisi\u00f3n de las reglas RBAC al configurarse con los permisos `uri_template`. Esta vulnerabilidad se ha corregido en las versiones 1.34.1, 1.33.3, 1.32.6 y 1.31.8 de Envoy. Como workaround, configure permisos RBAC adicionales mediante `url_path` con la expresi\u00f3n `safe_regex`.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-186\"}]}],\"references\":[{\"url\":\"https://github.com/envoyproxy/envoy/security/advisories/GHSA-c7cm-838g-6g67\",\"source\":\"security-advisories@github.com\"}]}}"
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