CVE-2022-20683 (GCVE-0-2022-20683)

Vulnerability from cvelistv5 – Published: 2022-04-15 14:16 – Updated: 2024-11-06 16:26
VLAI?
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.
Severity ?
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
Assigner
References
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Affected: n/a
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      "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": "{\"cvssMetricV31\": [{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"baseScore\": 8.6, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 4.0}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"baseScore\": 8.6, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 4.0}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 7.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2022-04-15T15:15:12.667",
      "references": "[{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-fnf-dos-bOL5vLge\", \"source\": \"ykramarz@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\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-124\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-20683\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2022-04-15T15:15:12.667\",\"lastModified\":\"2024-11-21T06:43:18.867\",\"vulnStatus\":\"Modified\",\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-124\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4BF22C29-84DF-44CA-B574-FE04AB39E344\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C2C7C0BA-D618-4B65-B42C-43393167EEE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0FBD681F-7969-42BE-A47E-7C287755DCB5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"98255E6F-3056-487D-9157-403836EFB9D3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"521ACFB0-4FB2-44DB-AD7B-C27F9059DE66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"57D4F634-03D5-4D9F-901C-7E9CE45F2F38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1a:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4463A1D1-E169-4F0B-91B2-FA126BB444CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1b:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D97F69C3-CAA6-491C-A0B6-6DC12B5AB472\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1c:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CDD58C58-1B0C-4A71-8C02-F555CEF9C253\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1d:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"96852D16-AF50-4C70-B125-D2349E6765D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1e:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A15B882A-BA60-4932-A55E-F4A798B30EEB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C9C585C-A6EC-4385-B915-046C110BF95F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5EC2EE60-4A07-4D92-B9BC-BF07CF4F2BE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47DBE4ED-1CD8-4134-9B33-17A91F44F17B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"119A964D-ABC8-424D-8097-85B832A833BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1a:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0375BF9E-D04B-4E5B-9051-536806ECA44E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1b:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2266E5A2-B3F6-4389-B8E2-42CB845EC7F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1c:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"012A6CF7-9104-4882-9C95-E6D4458AB778\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1d:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5AF5214D-9257-498F-A3EB-C4EC18E2FEB2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"78DE7780-4E8B-4BB6-BDEB-58032EC65851\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F29CEE37-4044-4A3C-9685-C9C021FD346A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:ci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A successful exploit could allow the attacker to cause a crash and reload of the affected device, resulting in a DoS condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-124\", \"description\": \"CWE-124\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2022-04-15T14:16:18\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": {\"version\": \"3.0\", \"baseScore\": \"8.6\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\"}}, \"source\": {\"defect\": [[\"CSCvx21714\"]], \"advisory\": \"cisco-sa-c9800-fnf-dos-bOL5vLge\", \"discovery\": \"INTERNAL\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}, \"product_name\": \"Cisco IOS XE Software\"}]}, \"vendor_name\": \"Cisco\"}]}}, \"exploit\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-fnf-dos-bOL5vLge\", \"name\": \"20220413 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability\", \"refsource\": \"CISCO\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"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.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-124\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2022-20683\", \"STATE\": \"PUBLIC\", \"TITLE\": \"Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability\", \"ASSIGNER\": \"psirt@cisco.com\", \"DATE_PUBLIC\": \"2022-04-13T23:00:00\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-20683\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-06T16:26:03.493Z\", \"dateReserved\": \"2021-11-02T00:00:00\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2022-04-15T14:16:19.103273Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.