Google Android 11.0/12.0/13.0 PhoneAccountRegistrar.java denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Google Android 11.0/12.0/13.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file PhoneAccountRegistrar.java. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2023-21111. The attack is only possible with local access. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability classified as problematic has been found in Google Android 11.0/12.0/13.0 (Smartphone Operating System). This affects an unknown function of the file PhoneAccountRegistrar.java. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
In several functions of PhoneAccountRegistrar.java, there is a possible way to prevent an access to emergency services due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256819769
The weakness was released 05/16/2023 as A-256819769. It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2023-21111 since 11/03/2022. Technical details of the vulnerability are known, but there is no available exploit.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25279). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 5.0
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 6.2
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/03/2022 🔍05/16/2023 🔍
05/16/2023 🔍
09/13/2025 🔍
Sources
Vendor: google.comAdvisory: A-256819769
Status: Confirmed
CVE: CVE-2023-21111 (🔍)
GCVE (CVE): GCVE-0-2023-21111
GCVE (VulDB): GCVE-100-229131
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 05/16/2023 08:19Updated: 09/13/2025 16:12
Changes: 05/16/2023 08:19 (42), 01/31/2025 16:44 (35), 09/13/2025 16:12 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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