{
  "id": "CVE-2020-35711",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-25T23:15:12.860",
  "lastModified": "2020-12-30T16:00:33.857",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper (or with a user-supplied implementation of the Access trait) could sometimes lead to dangling references being returned by the map."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en la crate arc-swap versiones anteriores a 0.4.8 (y versiones 1.x anteriores a 1.1.0) para Rust. El uso de la funci\u00f3n arc_swap::access::Map con el asistente de prueba Constant (o con una implementaci\u00f3n suministrada por el usuario del rasgo Access) a veces podr\u00eda conllevar a que referencias colgantes sean devueltas por el mapa"
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:arc-swap_project:arc-swap:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "0.4.8",
              "matchCriteriaId": "CD4D67E4-C6C9-4FC8-99DB-18681D8CB3B9"
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  "references": [
    {
      "url": "https://github.com/vorner/arc-swap/issues/45",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://rustsec.org/advisories/RUSTSEC-2020-0091.html",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
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    }
  ]
}