cvelist/2023/27xxx/CVE-2023-27991.json

{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "security@zyxel.com.tw",
        "ID": "CVE-2023-27991",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Zyxel",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "ATP series firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.32 through 5.35"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "USG FLEX series firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.50 through 5.35"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "USG FLEX 50(W) firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.16 through 5.35"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "USG20(W)-VPN firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.16 through 5.35"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "VPN series firmware",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "4.30 through 5.35"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls",
                "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls"
            }
        ]
    },
    "impact": {
        "cvss": {
            "baseScore": "8.8",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely."
            }
        ]
    }
}