{
    "CVE_data_meta": {
        "ASSIGNER": "prodsec@nozominetworks.com",
        "ID": "CVE-2021-26728",
        "STATE": "PUBLIC",
        "TITLE": "spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "IAC-AST2500A",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "1.10.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Lanner Inc"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Andrea Palanca of Nozomi Networks found this bug during a security research activity."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Command injection and stack-based buffer overflow vulnerabilities in the KillDupUsr_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-94 Improper Control of Generation of Code ('Code Injection')"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-121 Stack-based Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/",
                "name": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/"
            },
            {
                "refsource": "MISC",
                "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26728/",
                "name": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26728/"
            }
        ]
    },
    "source": {
        "advisory": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26728/",
        "discovery": "EXTERNAL"
    }
}