CVE-2005-4436
El Protocolo de enrutamiento de puerta de enlace interior mejorado (EIGRP) 1.2, tal como se implementa en Cisco IOS posterior a 12.3(2), 12.3(3)B y 12.3(2)T, y en otros productos, permite a atacantes remotos provocar una denegación de servicio mediante el envío de un "anuncio de vecino falsificado" con (1) valores k no coincidentes o (2) un TLV (valor de longitud de tipo) de "mensaje de despedida".
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.8
- Versión
- 2.0
- Vector
- AV:N/AC:L/Au:N/C:N/I:N/A:C
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 2.10 %
- Percentil entre todas las CVEs puntuadas
- 82
- Fecha de la puntuación
- 22/10/2026
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 (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- NVD-CWE-Other
Referencias
Mostrar las 14 referencias
- http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html
- http://marc.info/?l=full-disclosure&m=113504451523186&w=2
- http://securitytracker.com/id?1015382
- http://www.securityfocus.com/archive/1/419898/100/0/threaded
- http://www.securityfocus.com/bid/15978
- http://www.vupen.com/english/advisories/2005/3008
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454
- http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html
- http://marc.info/?l=full-disclosure&m=113504451523186&w=2
- http://securitytracker.com/id?1015382
- http://www.securityfocus.com/archive/1/419898/100/0/threaded
- http://www.securityfocus.com/bid/15978
- http://www.vupen.com/english/advisories/2005/3008
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454
JSON original (NVD)
Mostrar
{
"id": "CVE-2005-4436",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "HIGH",
"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": "2005-12-21T01:03:00.000",
"references": [
{
"url": "http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://marc.info/?l=full-disclosure&m=113504451523186&w=2",
"source": "cve@mitre.org"
},
{
"url": "http://securitytracker.com/id?1015382",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/archive/1/419898/100/0/threaded",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/15978",
"source": "cve@mitre.org"
},
{
"url": "http://www.vupen.com/english/advisories/2005/3008",
"source": "cve@mitre.org"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454",
"source": "cve@mitre.org"
},
{
"url": "http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://marc.info/?l=full-disclosure&m=113504451523186&w=2",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://securitytracker.com/id?1015382",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/archive/1/419898/100/0/threaded",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/15978",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.vupen.com/english/advisories/2005/3008",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a \"spoofed neighbor announcement\" with (1) mismatched k values or (2) \"goodbye message\" Type-Length-Value (TLV)."
}
],
"lastModified": "2026-06-16T22:18:47.610",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:extended_interior_gateway_routing_protocol:extended_interior_gateway_routing_protocol:1.2:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "77E7830C-3505-41C5-B073-D2F73261CE17"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}