CVE-2021-41850 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://athack.com/session-details/401 https://www.kryptowire.com/android-firmware-2022/ https://simowireless.com/ https://www.kryptowire.com/blog/vsim-vulnerability-within-simo-android-phones-exposed/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8