{
  "id": "CVE-2013-1639",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2013-02-08T11:58:22.657",
  "lastModified": "2025-04-11T00:51:21.963",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request."
    },
    {
      "lang": "es",
      "value": "Opera anterior a v12.13 no env\u00eda las peticiones CORS del tipo \"preflight\" en todos los casos que se requiere, lo que permite a atacantes remotos evitar el mecanismo de protecci\u00f3n CSRF a trav\u00e9s de un un sitio web manipulado que provoca una petici\u00f3n CORS."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "12.12",
              "matchCriteriaId": "F3FC707B-AF56-4124-8F16-2C490E3FFFBF"
            },
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              "criteria": "cpe:2.3:a:opera:opera_browser:12.00:*:*:*:*:*:*:*",
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            },
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            },
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            },
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            },
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              "criteria": "cpe:2.3:a:opera:opera_browser:12.10:*:*:*:*:*:*:*",
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            },
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              "matchCriteriaId": "444151A1-7A14-490E-A78E-7F85094AF346"
            },
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:opera:opera_browser:12.11:*:*:*:*:*:*:*",
              "matchCriteriaId": "38D21EA7-E9D5-464C-B65F-93B7D903D668"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.opera.com/docs/changelogs/unified/1213/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.opera.com/support/kb/view/1045/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.opera.com/docs/changelogs/unified/1213/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.opera.com/support/kb/view/1045/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}