{"id":"CVE-2026-20997","aliases":["EUVD-2026-12311","GHSA-p88h-9fmr-wj9q"],"status":"published","title":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15...","description":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00272,"percentile":0.19667,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-03-16T04:32:05Z","modified":"2026-06-17T10:18:11Z","products":[{"vendor":"samsung","product":"smart_switch"},{"vendor":"samsung mobile","product":"smart switch"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2026\u0026month=03","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20997"},{"url":"https://github.com/advisories/GHSA-p88h-9fmr-wj9q"}],"sources":{"cve":[{"id":"CVE-2026-20997","description":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.","status":"published","published":"2026-03-16T04:32:05.126Z","modified":"2026-03-16T13:19:35.995Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-12311","description":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.","status":"published","published":"2026-03-16T04:32:05Z","modified":"2026-03-16T13:19:35Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:35.010093Z"}],"ghsa":[{"id":"GHSA-p88h-9fmr-wj9q","title":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15...","description":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.","status":"published","published":"2026-03-16T15:30:42Z","modified":"2026-03-31T03:32:31Z","cvss":[{"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"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/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":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:06:55.849021Z"}],"nvd":[{"id":"CVE-2026-20997","description":"Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.","status":"published","published":"2026-03-16T14:18:10.7Z","modified":"2026-06-17T10:18:11.56Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/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":"medium","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":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:09.358914Z"}]}}