FKIE_CVE-2008-3803
Vulnerability from fkie_nvd - Published: 2008-09-26 16:21 - Updated: 2026-06-16 22:56
Severity
Summary
A "logic error" in Cisco IOS 12.0 through 12.4, when a Multiprotocol Label Switching (MPLS) VPN with extended communities is configured, sometimes causes a corrupted route target (RT) to be used, which allows remote attackers to read traffic from other VPNs in opportunistic circumstances.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "psirt@cisco.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*",
"matchCriteriaId": "2C398460-3F38-4AA7-A4B1-FD8A01588DB5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios:12.0sx:*:*:*:*:*:*:*",
"matchCriteriaId": "5C11A2BE-19E7-4148-B3CC-B4956B07273E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios:12.0sz:*:*:*:*:*:*:*",
"matchCriteriaId": "B6943D9D-4A73-4EB2-B5C5-B7132AFFBE2B",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A \"logic error\" in Cisco IOS 12.0 through 12.4, when a Multiprotocol Label Switching (MPLS) VPN with extended communities is configured, sometimes causes a corrupted route target (RT) to be used, which allows remote attackers to read traffic from other VPNs in opportunistic circumstances."
},
{
"lang": "es",
"value": "Un \"error l\u00f3gico\" en Cisco IOS v12.0 a la v12.4, cuando est\u00e1 configurado un Multiprotocol Label Switching (MPLS) VPN \"extendida a comunidades\" (extended communities), en ocasiones provoca que sea usado un destino de ruta corrupta, lo que permite a atacantes remotos leer el tr\u00e1fico de red desde otras VPN\u0027s en determinadas circunstancias."
}
],
"id": "CVE-2008-3803",
"lastModified": "2026-06-16T22:56:34.290",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-09-26T16:21:44.160",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/31990"
},
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a014a9.shtml"
},
{
"source": "psirt@cisco.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/31366"
},
{
"source": "psirt@cisco.com",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id?1020940"
},
{
"source": "psirt@cisco.com",
"tags": [
"Permissions Required"
],
"url": "http://www.vupen.com/english/advisories/2008/2670"
},
{
"source": "psirt@cisco.com",
"tags": [
"Third Party Advisory"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5919"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/31990"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a014a9.shtml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/31366"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id?1020940"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required"
],
"url": "http://www.vupen.com/english/advisories/2008/2670"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5919"
}
],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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