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CVE-2020-27970

Estado: ModificadaMedia (5.3)—

Yandex Browser before 20.10.0 allows remote attackers to spoof the address bar

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)

Yandex — Yandex Browser

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-27970",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "browser-security@yandex-team.ru",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Yandex Browser Lite for Android",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to version 20.10.0."
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-13T12:15:08.703",
  "references": [
    {
      "url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "browser-security@yandex-team.ru"
    },
    {
      "url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Yandex Browser before 20.10.0 allows remote attackers to spoof the address bar"
    },
    {
      "lang": "es",
      "value": "Yandex Browser versiones anteriores a 20.10.0, permite a atacantes remotos falsificar la barra de direcciones"
    }
  ],
  "lastModified": "2026-06-17T03:09:56.737",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB6EFFCE-6931-4F35-A007-80506B64EE1A",
              "versionEndExcluding": "20.10.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "browser-security@yandex-team.ru"
}