{"api_version":"1","generated_at":"2026-07-23T18:08:29+00:00","cve":"CVE-2020-11539","urls":{"html":"https://cve.report/CVE-2020-11539","api":"https://cve.report/api/cve/CVE-2020-11539.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-11539","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11539"},"summary":{"title":"CVE-2020-11539","description":"An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this, the data being sent to the smart band doesn't have any authentication or signature verification. Thus, any attacker can control a parameter of the device.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-04-22 14:15:00","updated_at":"2023-11-07 03:14:00"},"problem_types":["CWE-347","CWE-306","CWE-319"],"metrics":[],"references":[{"url":"https://github.com/the-girl-who-lived/CVE-2020-11539/","name":"https://github.com/the-girl-who-lived/CVE-2020-11539/","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"GitHub - the-girl-who-lived/CVE-2020-11539: Improper Access Control in Tata Sonata Smartband","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://medium.com/%40sayliambure/hacking-a-5-smartband-824763ab6e8f","name":"https://medium.com/%40sayliambure/hacking-a-5-smartband-824763ab6e8f","refsource":"","tags":[],"title":"Hacking a $5 Smartband. Hello, I am Sayli Ambure. This blogpost… | by Sayli Ambure | Medium","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f","name":"https://medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"Hacking a $5 Smartband - Sayli Ambure - Medium","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-11539","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11539","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"11539","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"titan","cpe5":"sf_rush_smart_band","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"11539","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"titan","cpe5":"sf_rush_smart_band","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"11539","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"titan","cpe5":"sf_rush_smart_band_firmware","cpe6":"1.12","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"11539","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"titan","cpe5":"sf_rush_smart_band_firmware","cpe6":"1.12","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-11539","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this, the data being sent to the smart band doesn't have any authentication or signature verification. Thus, any attacker can control a parameter of the device."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f","refsource":"MISC","name":"https://medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f"},{"refsource":"MISC","name":"https://github.com/the-girl-who-lived/CVE-2020-11539/","url":"https://github.com/the-girl-who-lived/CVE-2020-11539/"}]}},"nvd":{"publishedDate":"2020-04-22 14:15:00","lastModifiedDate":"2023-11-07 03:14:00","problem_types":["CWE-347","CWE-306","CWE-319"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.2},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:P/I:P/A:N","accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.8},"severity":"MEDIUM","exploitabilityScore":6.5,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:titan:sf_rush_smart_band_firmware:1.12:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:titan:sf_rush_smart_band:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"11539","Ordinal":"172088","Title":"CVE-2020-11539","CVE":"CVE-2020-11539","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"11539","Ordinal":"1","NoteData":"An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this, the data being sent to the smart band doesn't have any authentication or signature verification. Thus, any attacker can control a parameter of the device.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"11539","Ordinal":"2","NoteData":"2020-04-22","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"11539","Ordinal":"3","NoteData":"2020-04-22","Type":"Other","Title":"Modified"}]}}}