cvelist/2021/34xxx/CVE-2021-34713.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2021-09-08T16:00:00",
        "ID": "CVE-2021-34713",
        "STATE": "PUBLIC",
        "TITLE": "Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco IOS XR Software ",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Cisco"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "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": "7.4",
            "vectorString": "CVSS:3.1/AV:A/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-399"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability",
                "refsource": "CISCO",
                "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-npspin-QYpwdhFD",
        "defect": [
            [
                "CSCvq33187"
            ]
        ],
        "discovery": "INTERNAL"
    }
}