{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:23:30.803Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-and-post-authentication-command-injection-vulnerability-in-firewalls"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "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": [
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          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe cross-site scripting (\u003c/span\u003eXSS) 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.\u003c/p\u003e"
            }
          ],
          "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."
        }
      ],
      "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"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-29T06:45:53.586Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "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"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2023-27990",
    "datePublished": "2023-04-24T00:00:00.000Z",
    "dateReserved": "2023-03-09T00:00:00.000Z",
    "dateUpdated": "2024-08-02T12:23:30.803Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}