ASB-A-173421434

    Dashboard / Vulnerabilities / ASB-A-173421434

    ASB-A-173421434

    Published: 1 Sept 2021Last Modified: 18 Sept 2026

    Summary:

    Details: In getSimSerialNumber of TelephonyManager.java, there is a possible way to read a trackable identifier due to a missing permission check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.

    References: https://source.android.com/security/bulletin/2021-09-01, https://android.googlesource.com/platform/frameworks/base/+/1c1bc30ce345f770de44b4348420e860d0958534, https://android.googlesource.com/platform/frameworks/base/+/5aba70130d3539fc77cfdfb4b550d8e86acd8a60, https://android.googlesource.com/platform/frameworks/base/+/a13fc7f314ac56e75eca09c94db8090f928023ff, https://android.googlesource.com/platform/frameworks/opt/telephony/+/640387d310ce6fdfa71f606744eb903bedba57ce, https://android.googlesource.com/platform/frameworks/opt/telephony/+/7dfee2e7c3f762d069b8c606f8591498f109ff3e, https://android.googlesource.com/platform/frameworks/opt/telephony/+/93d5117cf5f528ec7ed74b4fe2df7ae7e2d207ff, https://android.googlesource.com/platform/frameworks/opt/telephony/+/9c392805dc4c5d5c9a95a5dec9c7f65130cd8173, https://android.googlesource.com/platform/frameworks/opt/telephony/+/f587f04d306f2faa9e102d9e2de87a403a48638e, https://android.googlesource.com/platform/packages/providers/ContactsProvider/+/129cc56868dfc198de41909ff9d6c542a84a4c21

    Affected packages

    Package

    Name: platform/frameworks/base

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 10:0
    Fixed -10:2021-09-01

    Affected versions

    10

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ASB-A-173421434 | CVE-DB