CVE-2015-6393 (GCVE-0-2015-6393)
Vulnerability from cvelistv5 – Published: 2016-10-06 10:00 – Updated: 2024-08-06 07:22
VLAI
EPSS
VEX
Summary
Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/93419 | vdb-entryx_refsource_BID |
| http://tools.cisco.com/security/center/content/Ci… | vendor-advisoryx_refsource_CISCO |
| http://www.securitytracker.com/id/1036949 | vdb-entryx_refsource_SECTRACK |
Date Public
2016-10-05 00:00
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"value": "Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182."
},
{
"lang": "es",
"value": "Cisco NX-OS 4.1 hasta la versi\u00f3n 7.3 y 11.0 hasta la versi\u00f3n 11.2 en dispositivos Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700 y 9000 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de dispositivo) a trav\u00e9s de paquetes IPv4 DHCP malformados al agente de retransmisi\u00f3n DHCPv4, vulnerabilidad tambi\u00e9n conocida como Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171 y CSCux67182."
}
],
"id": "CVE-2015-6393",
"lastModified": "2026-05-06T22:30:45.220",
"metrics": {
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{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
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"authentication": "NONE",
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"baseScore": 7.8,
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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},
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},
"published": "2016-10-06T10:59:01.477",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
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],
"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-dhcp2"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securityfocus.com/bid/93419"
},
{
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"url": "http://www.securitytracker.com/id/1036949"
},
{
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},
{
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"weaknesses": [
{
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{
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"value": "CWE-399"
}
],
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}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- 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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