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CVE-2019-20057

Estado: ModificadaBaja (3.7)—

El archivo com.proxyman.NSProxy.HelperTool en Privileged Helper Tool en Proxyman para macOS versión 1.11.0 y anteriores, permite a un atacante cambiar el Proxy del sistema y redireccionar todo el tráfico hacia una computadora controlada por el atacante, permitiendo ataques de tipo MITM.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-20057",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-29T19:15:11.637",
  "references": [
    {
      "url": "https://github.com/ProxymanApp/Proxyman/issues/364",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/ProxymanApp/Proxyman/issues/364",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "com.proxyman.NSProxy.HelperTool in Privileged Helper Tool in Proxyman for macOS 1.11.0 and earlier allows an attacker to change the System Proxy and redirect all traffic to an attacker-controlled computer, enabling MITM attacks."
    },
    {
      "lang": "es",
      "value": "El archivo com.proxyman.NSProxy.HelperTool en Privileged Helper Tool en Proxyman para macOS versión 1.11.0 y anteriores, permite a un atacante cambiar el Proxy del sistema y redireccionar todo el tráfico hacia una computadora controlada por el atacante, permitiendo ataques de tipo MITM."
    }
  ],
  "lastModified": "2026-06-17T02:29:54.910",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:proxyman:proxyman:*:*:*:*:*:macos:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A88B9038-B2DA-4113-AE3F-D4F58F2195A4",
              "versionEndIncluding": "1.11.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}