{"schemaVersion":3,"id":"CVE-2021-22806","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could cause data exfiltration and unauthorized access when accessing a malicious website. Affected Product: spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior)","dates":{"published":"2022-02-11T17:40:34.000Z","modified":"2024-08-03T18:51:07.468Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00954,"percentile":0.60779,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00954},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00954,"percentile":0.60779}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00954,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00954,"percentile":0.60779}]},"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-669","name":"Incorrect Resource Transfer Between Spheres","description":"The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/669.html"}],"affected":[{"vendor":"schneider-electric","product":"fellerlynk_firmware","name":"fellerlynk firmware","label":"fellerlynk_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 2.6.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.6.1","eol":null,"hubHref":"/vendor/schneider-electric/fellerlynk"},{"vendor":"schneider-electric","product":"spacelynk_firmware","name":"spacelynk firmware","label":"spacelynk_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 2.6.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.6.1","eol":null,"hubHref":"/vendor/schneider-electric/spacelynk"},{"vendor":"schneider-electric","product":"wiser_for_knx_firmware","name":"wiser for knx firmware","label":"wiser_for_knx_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 2.6.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.6.1","eol":null,"hubHref":"/vendor/schneider-electric/wiser_for_knx"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-01","label":"download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-01","hostname":"download.schneider-electric.com","tags":["X Refsource MISC","Broken Link","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-02-11T17:40:34.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:51:07.468Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:17:53.519Z","stale":false,"partial":false}}