{"id":"CVE-2021-41850","aliases":["EUVD-2021-28851","GHSA-9j3f-94w3-hrhc"],"status":"published","title":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a...","description":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writes three IMEI values to system properties at system startup. The system property values can be obtained via getprop by all third-party applications co-located on the device, even those with no permissions granted, exposing the IMEI values to processes without enforcing any access control.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00395,"percentile":0.34041,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-863"],"published":"2022-03-11T22:17:28Z","modified":"2026-06-17T04:09:01Z","products":[{"vendor":"bluproducts","product":"g90_firmware"},{"vendor":"bluproducts","product":"g9_firmware"},{"vendor":"luna","product":"simo_firmware"},{"vendor":"wikomobile","product":"tommy_3_firmware"},{"vendor":"wikomobile","product":"tommy_3_plus_firmware"}],"references":[{"url":"https://simowireless.com/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.kryptowire.com/android-firmware-2022/","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://athack.com/session-details/401","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.kryptowire.com/blog/vsim-vulnerability-within-simo-android-phones-exposed/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41850"},{"url":"https://github.com/advisories/GHSA-9j3f-94w3-hrhc"}],"sources":{"cve":[{"id":"CVE-2021-41850","description":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writes three IMEI values to system properties at system startup. The system property values can be obtained via getprop by all third-party applications co-located on the device, even those with no permissions granted, exposing the IMEI values to processes without enforcing any access control.","status":"published","published":"2022-03-11T22:17:28Z","modified":"2024-08-04T03:22:24.93Z","updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-28851","description":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writes three IMEI values to system properties at system startup. The system property values can be obtained via getprop by all third-party applications co-located on the device, even those with no permissions granted, exposing the IMEI values to processes without enforcing any access control.","status":"published","published":"2022-03-11T22:17:28Z","modified":"2024-08-04T03:22:24Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-9j3f-94w3-hrhc","title":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a...","description":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writes three IMEI values to system properties at system startup. The system property values can be obtained via getprop by all third-party applications co-located on the device, even those with no permissions granted, exposing the IMEI values to processes without enforcing any access control.","status":"published","published":"2022-03-13T00:00:55Z","modified":"2023-01-27T05:00:41Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:41:43.766328Z"}],"nvd":[{"id":"CVE-2021-41850","description":"An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writes three IMEI values to system properties at system startup. The system property values can be obtained via getprop by all third-party applications co-located on the device, even those with no permissions granted, exposing the IMEI values to processes without enforcing any access control.","status":"published","published":"2022-03-11T23:15:09.277Z","modified":"2026-06-17T04:09:01.207Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}