{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-20691",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, adjacent attacker to cause a DoS condition of an affected device.\r\n This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust available memory and cause the service to restart.\r\n Cisco has released firmware updates that address this vulnerability.  \r\n"
            }
        ]
    },
    "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 Analog Telephone Adaptor (ATA) Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.2.2 SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.2.2 SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.1.0 MSR4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.1.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.1.0 MSR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.1.0 MSR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.1.0 MSR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.1.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.1(4)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.1.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.1(6)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.1(5)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.16(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.16(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2(0)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2(4)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2(3)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.15"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "2.14"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.34"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.0(0)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.1(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.1(0)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.1(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0(0)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.2(3)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.2(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.0(3)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1 SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1 SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1 SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1 SR4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.2.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-ata19x-multivuln-GEZYVvs",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwa24837",
            "CSCwa24842"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "attackVector": "NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "availabilityImpact": "LOW"
            }
        ]
    }
}