fkie_cve-2022-20683
Vulnerability from fkie_nvd
Published
2022-04-15 15:15
Modified
2024-11-21 06:43
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient packet verification for traffic inspected by the AVC feature. An attacker could exploit this vulnerability by sending crafted packets from the wired network to a wireless client, resulting in the crafted packets being processed by the wireless controller. A successful exploit could allow the attacker to cause a crash and reload of the affected device, resulting in a DoS condition.
References
Impacted products
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Application Visibility and Control (AVC-FNF) feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient packet verification for traffic inspected by the AVC feature. An attacker could exploit this vulnerability by sending crafted packets from the wired network to a wireless client, resulting in the crafted packets being processed by the wireless controller. A successful exploit could allow the attacker to cause a crash and reload of the affected device, resulting in a DoS condition."
},
{
"lang": "es",
"value": "Una vulnerabilidad en la funcionalidad de visibilidad y control de aplicaciones (AVC-FNF) de Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido a una insuficiente verificaci\u00f3n de paquetes para el tr\u00e1fico inspeccionado por la funci\u00f3n AVC. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes dise\u00f1ados desde la red cableada a un cliente inal\u00e1mbrico, resultando en que los paquetes dise\u00f1ados fueran procesados por el controlador inal\u00e1mbrico. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar un bloqueo y recarga del dispositivo afectado, resultando en una condici\u00f3n de DoS"
}
],
"id": "CVE-2022-20683",
"lastModified": "2024-11-21T06:43:18.867",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
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"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",
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}
],
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"baseScore": 8.6,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
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"source": "psirt@cisco.com",
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},
"published": "2022-04-15T15:15:12.667",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-fnf-dos-bOL5vLge"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
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}
],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
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}
],
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{
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}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.