CVE-2012-4617
Estado: ModificadaAlta (7.1)—
The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
- Puntuación base: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.32%
- Percentil entre todas las CVEs puntuadas: 83
- Fecha de la puntuación: 7/10/2026
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 (3)
CWE
- CWE-20
Referencias
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp
- http://www.securityfocus.com/bid/55694
- http://www.securitytracker.com/id?1027576
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp
- http://www.securityfocus.com/bid/55694
- http://www.securitytracker.com/id?1027576
JSON original (NVD)
Mostrar
{
"id": "CVE-2012-4617",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.1,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2012-09-27T00:55:00.903",
"references": [
{
"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp",
"tags": [
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "http://www.securityfocus.com/bid/55694",
"source": "psirt@cisco.com"
},
{
"url": "http://www.securitytracker.com/id?1027576",
"source": "psirt@cisco.com"
},
{
"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-bgp",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/55694",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id?1027576",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914."
},
{
"lang": "es",
"value": "La implementación de BGP en Cisco IOS v15.2, IOS XE v3.5.xS anteriores a v3.5.2S, e IOS XR v4.1.0 hasta la v4.2.2 permite a atacantes remotos provocar una denegación de servicio (reseteo de múltiples conexiones) mediante el allows remote attackers to cause a denial of service (multiple connection resets)mediante el aprovechamiento de una relación entre iguales y el envío de un atributo con formato incorrecto, también conocido como Bug IDs CSCtt35379, CSCty58300, CSCtz63248, y CSCtz62914."
}
],
"lastModified": "2026-06-16T23:45:30.423",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2AB6A02-B7C7-48D1-8857-BD1CDF9A40D8"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5872A42F-745E-4EC6-8679-C28F79F6621C"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xe:3.5.1s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "86947E54-A1B9-4ECE-92A6-417462249612"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "06E63681-C89F-4569-A52C-B870D48E436C"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8E593EF3-133A-4E15-9B86-6B451F5C0159"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3BB49EB2-2D99-4C45-80B7-48299A1EBF30"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FB6ABB63-E2D2-42F7-B648-BF6002D1C05E"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "58FEC4F2-040A-4D23-8FE0-BC55020766BB"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:4.2.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "82520CBD-F42F-4E2D-9D36-878737779690"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@cisco.com"
}