cve-2020-3510
Vulnerability from cvelistv5
Published
2020-09-24 17:51
Modified
2024-11-13 18:00
Severity ?
8.6 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient error handling when parsing DNS requests. An attacker could exploit this vulnerability by sending a series of malicious DNS requests to an Umbrella Connector client interface of an affected device. A successful exploit could allow the attacker to cause a crash of the iosd process, which triggers a reload of the affected device.
References
ykramarz@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-umbrella-dos-t2QMUX37Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-umbrella-dos-t2QMUX37Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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      "id": "CVE-2020-3510",
      "lastModified": "2024-11-21T05:31:13.250",
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A successful exploit could allow the attacker to cause a crash of the iosd process, which triggers a reload of the affected device.\"}]}, \"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.\"}], \"impact\": {\"cvss\": {\"baseScore\": \"8.6\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"version\": \"3.0\"}}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-388\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"20200924 Cisco IOS XE Software for Catalyst 9200 Series Switches Umbrella Connector Denial of Service Vulnerability\", \"refsource\": \"CISCO\", \"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-umbrella-dos-t2QMUX37\"}]}, \"source\": {\"advisory\": \"cisco-sa-iosxe-umbrella-dos-t2QMUX37\", \"defect\": [[\"CSCvr57231\"]], \"discovery\": \"INTERNAL\"}}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T07:37:54.621Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"name\": \"20200924 Cisco IOS XE Software for Catalyst 9200 Series Switches Umbrella Connector Denial of Service Vulnerability\", \"tags\": [\"vendor-advisory\", \"x_refsource_CISCO\", \"x_transferred\"], \"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-umbrella-dos-t2QMUX37\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-3510\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-11-13T17:12:48.373449Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-11-13T17:15:12.874Z\"}}]}",
      "cveMetadata": "{\"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"assignerShortName\": \"cisco\", \"cveId\": \"CVE-2020-3510\", \"datePublished\": \"2020-09-24T17:51:44.121872Z\", \"dateReserved\": \"2019-12-12T00:00:00\", \"dateUpdated\": \"2024-11-13T18:00:31.250Z\", \"state\": \"PUBLISHED\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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