FKIE_CVE-2016-6355
Vulnerability from fkie_nvd - Published: 2016-08-23 02:11 - Updated: 2026-06-17 00:50
Severity
Summary
Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.
References
Impacted products
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "psirt@cisco.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "9839DC3C-8B8A-49D5-9E50-BB7C4BCE5878",
"vulnerable": true
},
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.1.k9sec:*:*:*:*:*:*:*",
"matchCriteriaId": "C754F1D8-81E5-45BB-A4E1-1F9D773F2979",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "61C1B066-9DED-46D7-9DF7-AB55DF01B80F",
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"matchCriteriaId": "53E2D669-70EA-455E-BC9C-E97065502DD1",
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},
{
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},
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"matchCriteriaId": "AB5452CA-E4DF-49FD-A677-3F6257F14707",
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{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "E5EFC65A-C469-4267-9C0B-DD25E2E8C0F4",
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},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:*",
"matchCriteriaId": "7DABC2A4-B161-4597-B053-0ECEFCCDD89F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "A0B5C0F4-1BEC-4B54-ABF0-948CFF80E5E0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:cisco:ios_xr:5.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D5F1F85C-B63F-4D6F-9918-4A5E4945B96B",
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"matchCriteriaId": "17A89483-1BC3-4F23-AEAC-C26E7E211CCE",
"vulnerable": true
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{
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"matchCriteriaId": "4695DF36-5DC7-430B-8266-BF07FD2E7EFC",
"vulnerable": true
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],
"negate": false,
"operator": "OR"
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791."
},
{
"lang": "es",
"value": "Fuga de memoria en dispositivos Cisco IOS XR 5.1.x hasta la versi\u00f3n 5.1.3, 5.2.x hasta la versi\u00f3n 5.2.5 y 5.3.x hasta la versi\u00f3n 5.3.2 en ASR 9001 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corte de protocolo de plano de control) a trav\u00e9s de paquetes fragmentados, tambi\u00e9n conocido como Bug ID CSCux26791."
}
],
"id": "CVE-2016-6355",
"lastModified": "2026-06-17T00:50:53.013",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-08-23T02:11:03.007",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160810-iosxr"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securityfocus.com/bid/92399"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securitytracker.com/id/1036585"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160810-iosxr"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/92399"
},
{
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"url": "http://www.securitytracker.com/id/1036585"
}
],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
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- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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