V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter

{
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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2019-25237",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2025-12-24T20:23:45.916Z",
    "dateReserved": "2025-12-24T14:27:12.476Z",
    "datePublished": "2025-12-24T19:27:56.411Z",
    "state": "PUBLISHED"
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      "datePublic": "2019-09-26T00:00:00.000Z",
      "title": "V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter",
      "descriptions": [
        {
          "lang": "en",
          "value": "V-SOL GPON/EPON OLT Platform v2.03 contains a privilege escalation vulnerability that allows normal users to gain administrative access by manipulating the user role parameter. Attackers can send a crafted HTTP POST request to the user management endpoint with 'user_role_mod' set to integer value '1' to elevate their privileges."
        }
      ],
      "affected": [
        {
          "vendor": "Guangzhou V-SOLUTION Electronic Technology Co., Ltd.",
          "product": "SOL GPON/EPON OLT Platform",
          "versions": [
            {
              "version": "2.03",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Incorrect Authorization",
              "cweId": "CWE-863",
              "type": "CWE"
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          ]
        }
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      "references": [
        {
          "url": "https://www.exploit-db.com/exploits/47435",
          "name": "ExploitDB-47435",
          "tags": [
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        },
        {
          "url": "https://www.vsolcn.com",
          "name": "V-SOL Official Product Homepage",
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          "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php",
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            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL"
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      "credits": [
        {
          "lang": "en",
          "value": "LiquidWorm as Gjoko Krstic of Zero Science Lab",
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