CVE-2023-21138
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due...
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
- Record
CVE-2023-21138- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-276
- Updated
- 2026-11-02
CVE List No score
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
- Record
CVE-2023-21138- Weakness
- CWE-276
- Updated
- 2026-11-02
EUVDEUVD-2023-25306 No score
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
- Record
EUVD-2023-25306- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-944w-cmcw-jwwf
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due...
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090
- Record
GHSA-944w-cmcw-jwwf- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-276
- Updated
- 2026-11-02
OSVASB-A-273260090 No score
In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-273260090- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/services/TelecommAndroid |
13-next:0 up to 13-next:2023-06-01, plus listed versions 13-next |
13-next:2023-06-01 |
platform/packages/services/TelecommAndroid |
11:0 up to 11:2023-06-01, plus listed versions 11 |
11:2023-06-01 |
platform/packages/services/TelecommAndroid |
12:0 up to 12:2023-06-01, plus listed versions 12 |
12:2023-06-01 |
platform/packages/services/TelecommAndroid |
12L:0 up to 12L:2023-06-01, plus listed versions 12L |
12L:2023-06-01 |
platform/packages/services/TelecommAndroid |
13:0 up to 13:2023-06-01, plus listed versions 13 |
13:2023-06-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21138 is a high vulnerability (CVSS 7.8) in Google Android, published June 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. Fixed in platform/packages/services/Telecomm 13-next:2023-06-01.