{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-20303",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2023-11-08T15:08:07.630Z",
        "datePublished": "2024-03-27T17:00:37.075Z",
        "dateUpdated": "2024-08-01T21:59:41.376Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2024-03-27T17:00:37.075Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper management of mDNS client entries. An attacker could exploit this vulnerability by connecting to the wireless network and sending a continuous stream of specific mDNS packets. A successful exploit could allow the attacker to cause the wireless controller to have high CPU utilization, which could lead to access points (APs) losing their connection to the controller and result in a DoS condition."
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco IOS XE Software",
                    "versions": [
                        {
                            "version": "17.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.2.1r",
                            "status": "affected"
                        },
                        {
                            "version": "17.2.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.2.1v",
                            "status": "affected"
                        },
                        {
                            "version": "17.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.1w",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.2a",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.1x",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.1z",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.4",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.5",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.4a",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.6",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.4b",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.4c",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.5a",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.5b",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.8",
                            "status": "affected"
                        },
                        {
                            "version": "17.3.8a",
                            "status": "affected"
                        },
                        {
                            "version": "17.4.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.4.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.4.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.4.1b",
                            "status": "affected"
                        },
                        {
                            "version": "17.4.2a",
                            "status": "affected"
                        },
                        {
                            "version": "17.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.5.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1w",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1x",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1y",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1z",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.3a",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.4",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.1z1",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.5",
                            "status": "affected"
                        },
                        {
                            "version": "17.6.5a",
                            "status": "affected"
                        },
                        {
                            "version": "17.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.7.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.7.1b",
                            "status": "affected"
                        },
                        {
                            "version": "17.7.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.10.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.10.1b",
                            "status": "affected"
                        },
                        {
                            "version": "17.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.8.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1w",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.2",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1x",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1y",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.3",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.2a",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1x1",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.3a",
                            "status": "affected"
                        },
                        {
                            "version": "17.9.1y1",
                            "status": "affected"
                        },
                        {
                            "version": "17.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "17.11.1a",
                            "status": "affected"
                        },
                        {
                            "version": "17.11.99SW",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Incomplete Cleanup",
                            "type": "cwe",
                            "cweId": "CWE-459"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-mdns-dos-4hv6pBGf",
                    "name": "cisco-sa-wlc-mdns-dos-4hv6pBGf"
                }
            ],
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH",
                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "exploits": [
                {
                    "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."
                }
            ],
            "source": {
                "advisory": "cisco-sa-wlc-mdns-dos-4hv6pBGf",
                "discovery": "EXTERNAL",
                "defects": [
                    "CSCwf53124"
                ]
            }
        },
        "adp": [
            {
                "title": "CISA ADP Vulnrichment",
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-20303",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-03-28T18:34:54.816642Z"
                            }
                        }
                    }
                ],
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-04T17:39:55.892Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-01T21:59:41.376Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-mdns-dos-4hv6pBGf",
                        "name": "cisco-sa-wlc-mdns-dos-4hv6pBGf",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}