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CVE-2009-0419

Status: ModifiedMedium (5)—

Microsoft XML Core Services, as used in Microsoft Expression Web, Office, Internet Explorer 6 and 7, and other products, does not properly restrict access from web pages to Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2008-4033.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — XML Core Services

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2009-0419",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-02-04T19:30:00.563",
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=380418",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48815",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=380418",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48815",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft XML Core Services, as used in Microsoft Expression Web, Office, Internet Explorer 6 and 7, and other products, does not properly restrict access from web pages to Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism.  NOTE: this issue reportedly exists because of an incomplete fix for CVE-2008-4033."
    },
    {
      "lang": "es",
      "value": "Microsoft XML Core Services, como el utilizado en Microsoft Expression Web, Office, Internet Explorer 6 y 7 y otros productos; no restringe adecuadamente el acceso de las páginas Web a las cabeceras de respuesta HTTP Set-Cookie2; esto permite a atacantes remotos obtener información sensible de las cookies a través de llamadas XMLHttpRequest. Relacionado con el mecanismo de protección HTTPOnly. NOTA: este problema existe debido a una modificación inicial incompleta de CVE-2008-4033."
    }
  ],
  "lastModified": "2026-06-16T23:05:00.493",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:xml_core_services:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F692D96C-E46C-4731-AE2D-359CBEA67B03"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}