CVE-1999-0909

Estado: ModificadaAlta (7.5)—

Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the "Spoofed Route Pointer" vulnerability.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 12%
Percentil entre todas las CVEs puntuadas: 96
Fecha de la puntuación: 6/10/2026

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 (4)

Microsoft — Terminal Server Microsoft — Windows 95 Microsoft — Windows 98se Microsoft — Windows NT

CWE

CWE-264

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-1999-0909",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "1999-09-20T04:00:00.000",
  "references": [
    {
      "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238453",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/646",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-038",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238453",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/646",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-038",
      "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": "Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the \"Spoofed Route Pointer\" vulnerability."
    }
  ],
  "lastModified": "2026-06-16T21:49:18.537",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:terminal_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "40242161-D5AD-4314-AB95-E61292C49DF2"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_95:0a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8429C080-F550-4D03-A87A-4546273712AE"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_95:0b:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5D153766-0C57-46F4-8865-6F1ED597B53C"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AA733AD2-D948-46A0-A063-D29081A56F1F"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E53CDA8E-50A8-4509-B070-CCA5604FFB21"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:sp1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5BDCBCB8-DAA3-465F-ADDE-9143B8251989"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B86E0671-ED68-4549-B3AC-FD8BD79B0860"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:sp3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB76E7EC-C396-4537-9065-4E815DA7097C"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:sp4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4CD026E2-B073-40A6-AD4A-8C76B9169B01"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:sp5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DBFB3E49-3FB5-4947-856D-727CBFFBA543"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}