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CVE-2021-25262

Estado: AnalizadaMedia (6.9)—

Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

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)

Mostrar
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  "id": "CVE-2021-25262",
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          "id": "CVE-2021-25262",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-21T13:51:35.327719Z"
        }
      }
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    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 5.4,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
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          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.8
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    ],
    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
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          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
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          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Yandex",
          "product": "Browser",
          "versions": [
            {
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              "version": "21.3.0",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Android"
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  "published": "2025-05-21T07:16:00.653",
  "references": [
    {
      "url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "browser-security@yandex-team.ru"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "browser-security@yandex-team.ru",
      "description": [
        {
          "lang": "en",
          "value": "CWE-116"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack."
    },
    {
      "lang": "es",
      "value": "Yandex Browser para Android anterior a la versión 21.3.0 permite a atacantes remotos realizar ataques de homógrafos IDN."
    }
  ],
  "lastModified": "2026-06-17T03:41:43.883",
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}