{"schemaVersion":3,"id":"CVE-2026-89202","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). Affected devices do not properly perform authorization checks for device disconnection requests. This could allow an authenticated attacker with minimal privileges to disconnect active sessions of other users, including administrators, leading to a denial of service.","dates":{"published":"2026-10-13T09:19:06.397Z","modified":"2026-10-16T17:17:49.500Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00368,"percentile":0.29105,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-14T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00368,"percentile":0.29105}],"last30":[{"date":"2026-10-14T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00368,"percentile":0.29105}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key","description":"The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/639.html"}],"affected":[{"vendor":"siemens","product":"ruggedcom crossbow","name":"RUGGEDCOM CROSSBOW","label":"ruggedcom crossbow","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< V6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< V6.0","eol":null,"hubHref":"/vendor/siemens/ruggedcom_crossbow"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-508506.html","label":"cert-portal.siemens.com/productcert/html/ssa-508506.html","hostname":"cert-portal.siemens.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-13T09:19:06.397Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-16T17:17:49.500Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T02:35:18.725Z","stale":false,"partial":false}}