{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9396","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-24T06:18:58.081Z","datePublished":"2026-05-24T20:15:11.018Z","dateUpdated":"2026-05-26T15:32:18.833Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-24T20:15:11.018Z"},"title":"Besen BS20 EV Charging Station Firmware Version Check ui layer","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-1021","lang":"en","description":"Improper Restriction of Rendered UI Layers"}]}],"affected":[{"vendor":"Besen","product":"BS20 EV Charging Station","versions":[{"version":"20260426","status":"affected"}],"cpes":["cpe:2.3:a:besen:bs20_ev_charging_station:*:*:*:*:*:*:*:*"],"modules":["Firmware Version Check"]}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in Besen BS20 EV Charging Station up to 20260426. Affected by this vulnerability is an unknown functionality of the component Firmware Version Check. The manipulation results in improper restriction of rendered ui layers. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitation appears to be difficult. 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.\""}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.7,"vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-05-24T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-24T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-24T08:24:14.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"carfeii (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/365377","name":"VDB-365377 | Besen BS20 EV Charging Station Firmware Version Check ui layer","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/365377/cti","name":"VDB-365377 | CTI Indicators (IOB, IOC)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/813575","name":"Submit #813575 | Besen EV Charging Station BS20 EV Charger Improper Verification of Cryptographic Signature","tags":["third-party-advisory"]},{"url":"https://github.com/carfeii/besen#finding-3-firmware-version-check-manipulation-and-ui-spoofing","tags":["related"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T15:27:15.605691Z","id":"CVE-2026-9396","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-26T15:32:18.833Z"}}]}}