{"id":"CVE-2017-20223","aliases":["EUVD-2017-18939","GHSA-hc2g-56j9-8384"],"status":"published","title":"Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference","description":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00545,"percentile":0.45961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-03-16T01:28:26Z","modified":"2026-06-17T01:15:26Z","products":[{"vendor":"telesquare","product":"sdt-cs3b1"},{"vendor":"telesquare","product":"sdt-cs3b1_firmware"}],"references":[{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/43402/","tags":["exploit","Third Party Advisory","VDB Entry"]},{"url":"https://packetstormsecurity.com/files/145551","tags":["exploit","Third Party Advisory"]},{"url":"https://cxsecurity.com/issue/WLB-2017120297","tags":["third-party-advisory","Issue Tracking"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/136993","tags":["vdb-entry","Third Party Advisory"]},{"url":"https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-20223"},{"url":"https://www.exploit-db.com/exploits/43402"},{"url":"https://github.com/advisories/GHSA-hc2g-56j9-8384"}],"sources":{"cve":[{"id":"CVE-2017-20223","title":"Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference","description":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.","status":"published","published":"2026-03-16T01:28:26.649Z","modified":"2026-04-07T14:03:42.716Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","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-639"],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2017-18939","description":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.","status":"published","published":"2026-03-16T01:28:26Z","modified":"2026-04-07T14:03:42Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:25:14.189276Z"}],"ghsa":[{"id":"GHSA-hc2g-56j9-8384","title":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object...","description":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.","status":"published","published":"2026-03-16T15:30:41Z","modified":"2026-03-16T15:30:53Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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":"critical"},{"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-639"],"updated_at":"2026-11-02T15:06:38.778049Z"}],"nvd":[{"id":"CVE-2017-20223","description":"Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.","status":"published","published":"2026-03-16T14:17:52.347Z","modified":"2026-06-17T01:15:26.877Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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":"critical","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-639"],"updated_at":"2026-11-02T14:04:21.76411Z"}]}}