{"id":"CVE-2026-9395","aliases":["EUVD-2026-31547","GHSA-cvv7-f8m3-cjxx"],"status":"published","title":"Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials","description":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00158,"percentile":0.05021,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2026-05-24T20:00:11Z","modified":"2026-07-23T11:10:00Z","products":[{"vendor":"besen","product":"bs20 ev charging station"}],"references":[{"url":"https://vuldb.com/vuln/365376","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/365376/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/813572","tags":["third-party-advisory"]},{"url":"https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station","tags":["related"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9395"},{"url":"https://github.com/advisories/GHSA-cvv7-f8m3-cjxx"}],"sources":{"cve":[{"id":"CVE-2026-9395","title":"Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials","description":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"","status":"published","published":"2026-05-24T20:00:11.355Z","modified":"2026-05-26T13:20:38.881Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-31547","description":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"","status":"published","published":"2026-05-24T20:00:11Z","modified":"2026-05-26T13:20:38Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T18:21:07.388987Z"}],"ghsa":[{"id":"GHSA-cvv7-f8m3-cjxx","title":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an...","description":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"","status":"published","published":"2026-05-26T13:30:35Z","modified":"2026-05-26T13:30:40Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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":"low"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T15:08:16.907279Z"}],"nvd":[{"id":"CVE-2026-9395","description":"A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. The original disclosure mentions, that \"[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026.\"","status":"published","published":"2026-05-24T20:16:44.02Z","modified":"2026-07-23T11:10:00.12Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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":"low","assessor":"secondary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"2.0","score":2.7,"vector":"AV:A/AC:L/Au:S/C:P/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:12:20.131508Z"}]}}
