Local Escalation of Privilege in Android Telecommunication Services by Google
CVE-2023-40130

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
27 October 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-40130?

A logic error in the CallRedirectionProcessor.java file within Google's Android Telecommunication Services allows a possible permission bypass. This vulnerability can facilitate local escalation of privilege, enabling unauthorized background activities without additional execution privileges. Notably, exploitation does not require user interaction, posing significant security concerns for Android users.

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Affected Version(s)

Android 16

Android 15

Android 14

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-40130
Created by wrlu

References

https://android.googlesource.com/platform/packages/servic...
https://source.android.com/security/bulletin/2025-12-01

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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