cvelist/2021/34xxx/CVE-2021-34727.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2021-09-22T16:00:00",
        "ID": "CVE-2021-34727",
        "STATE": "PUBLIC",
        "TITLE": "Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco IOS XE SD-WAN 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 vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. This vulnerability is due to insufficient bounds checking when an affected device processes traffic. An attacker could exploit this vulnerability by sending crafted traffic to the device. A successful exploit could allow the attacker to cause a buffer overflow and possibly execute arbitrary commands with root-level privileges, or cause the device to reload, which could result in a denial of service condition."
            }
        ]
    },
    "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": "9.8",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H ",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-120"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "20210922 Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability",
                "refsource": "CISCO",
                "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxesdwan-rbuffover-vE2OB6tp"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-iosxesdwan-rbuffover-vE2OB6tp",
        "defect": [
            [
                "CSCvt49022"
            ]
        ],
        "discovery": "INTERNAL"
    }
}