{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-20176",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the networking component of Cisco access point (AP) software could allow an unauthenticated, remote attacker to cause a temporary disruption of service.\r\n\r This vulnerability is due to overuse of AP resources. An attacker could exploit this vulnerability by connecting to an AP on an affected device as a wireless client and sending a high rate of traffic over an extended period of time. A successful exploit could allow the attacker to cause the Datagram TLS (DTLS) session to tear down and reset, causing a denial of service (DoS) condition."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Uncontrolled Resource Consumption",
                        "cweId": "CWE-400"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Aironet Access Point Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "8.10.170.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Cisco Aironet Access Point Software (IOS XE Controller)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.10.1e"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.10.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.1.1t"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.1.1s"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.11.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.11.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.11.1c"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.11.1b"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.1s"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.2s"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.1t"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.4a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.6a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.2a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.4c"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.5a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.2.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.2.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.4.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.4.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.8.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-click-ap-dos-wdcXkvnQ",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-click-ap-dos-wdcXkvnQ"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-click-ap-dos-wdcXkvnQ",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwb56120"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
                "baseScore": 5.8,
                "baseSeverity": "MEDIUM",
                "attackVector": "NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "CHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "availabilityImpact": "LOW"
            }
        ]
    }
}