{"id":"CVE-2019-25237","aliases":["EUVD-2025-205323","GHSA-46cm-29f3-f9rv"],"status":"published","title":"V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00356,"percentile":0.2958,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2025-12-24T19:27:56Z","modified":"2026-06-17T02:31:50Z","products":[{"vendor":"guangzhou v-solution electronic technology co., ltd.","product":"sol gpon/epon olt platform"}],"references":[{"url":"https://www.exploit-db.com/exploits/47435","tags":["exploit"]},{"url":"https://www.vsolcn.com","tags":["product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5538.php","tags":["third-party-advisory","exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25237"},{"url":"https://github.com/advisories/GHSA-46cm-29f3-f9rv"}],"sources":{"cve":[{"id":"CVE-2019-25237","title":"V-SOL GPON/EPON OLT Platform 2.03 Privilege Escalation via User Role Parameter","description":"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.","status":"published","published":"2025-12-24T19:27:56.411Z","modified":"2025-12-24T20:23:45.916Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2025-205323","description":"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.","status":"published","published":"2025-12-24T19:27:56Z","modified":"2025-12-24T20:23:45Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:01.342725Z"}],"ghsa":[{"id":"GHSA-46cm-29f3-f9rv","title":"V-SOL GPON/EPON OLT Platform v2.03 contains a privilege escalation vulnerability that allows...","description":"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.","status":"published","published":"2025-12-24T21:30:33Z","modified":"2025-12-24T21:30:40Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:05:22.018507Z"}],"nvd":[{"id":"CVE-2019-25237","description":"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.","status":"published","published":"2025-12-24T20:15:51.38Z","modified":"2026-06-17T02:31:50.85Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:05:49.934131Z"}]}}