{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-27990",
        "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "assignerShortName": "Zyxel",
        "dateUpdated": "2024-08-02T12:23:30.803Z",
        "dateReserved": "2023-03-09T00:00:00",
        "datePublished": "2023-04-24T00:00:00"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "ATP series firmware",
                    "vendor": "Zyxel",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.32 through 5.35"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "USG FLEX series firmware",
                    "vendor": "Zyxel",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.50 through 5.35"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "USG FLEX 50(W) firmware",
                    "vendor": "Zyxel",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.16 through 5.35"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "USG20(W)-VPN firmware",
                    "vendor": "Zyxel",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.16 through 5.35"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "VPN series firmware",
                    "vendor": "Zyxel",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.30 through 5.35"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p><span style=\"background-color: rgb(255, 255, 255);\">The cross-site scripting (</span>XSS) vulnerability in 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 with administrator privileges to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed when the user visits the Logs page of the GUI on the device.</p>"
                        }
                    ],
                    "value": "The cross-site scripting (XSS) vulnerability in 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 with administrator privileges to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed when the user visits the Logs page of the GUI on the device.\n\n"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 4.8,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "HIGH",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
                "shortName": "Zyxel",
                "dateUpdated": "2023-12-29T06:45:53.586Z"
            },
            "references": [
                {
                    "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.1.0-dev"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T12:23:30.803Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}