{"id":"CVE-2020-12859","aliases":["EUVD-2020-5141","GHSA-q86j-858x-v75c"],"status":"published","title":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a...","description":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00687,"percentile":0.52998,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-312"],"published":"2020-05-18T04:16:00Z","modified":"2026-06-17T02:52:26Z","products":[{"vendor":"health","product":"covidsafe"}],"references":[{"url":"https://www.health.gov.au/resources/apps-and-tools/covidsafe-app","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12859"},{"url":"https://github.com/advisories/GHSA-q86j-858x-v75c"}],"sources":{"cve":[{"id":"CVE-2020-12859","description":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.","status":"published","published":"2020-05-18T04:16:00Z","modified":"2024-08-04T12:04:22.881Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-5141","description":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.","status":"published","published":"2020-05-18T04:16:00Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.298733Z"}],"ghsa":[{"id":"GHSA-q86j-858x-v75c","title":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a...","description":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.","status":"published","published":"2022-05-24T17:18:03Z","modified":"2023-01-29T05:02:41Z","updated_at":"2026-11-02T14:45:09.006349Z"}],"nvd":[{"id":"CVE-2020-12859","description":"Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.","status":"published","published":"2020-05-18T05:15:14.497Z","modified":"2026-06-17T02:52:26.51Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:06:00.784809Z"}]}}